Home / 4,698,768.30-7,048,152.45-2,809,200.30

Finding the Fourth Proportional to 4,698,768.30, 7,048,152.45 and 2,809,200.30

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Solution

The fourth proportional to 4,698,768.30, 7,048,152.45 and 2,809,200.30 is: 4,213,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698,768.30 : 7,048,152.45 = 2,809,200.30 : x
  2. Step 2: Convert to fraction form
    4,698,768.30/7,048,152.45 = 2,809,200.30/x
  3. Step 3: Cross multiply
    4,698,768.30x = 7,048,152.45 × 2,809,200.30
  4. Step 4: Simplify right side
    4,698,768.30x = 19,799,671,976,985.73
  5. Step 5: Solve for x
    x = 19,799,671,976,985.73/4,698,768.30
  6. Step 6: Final answer
    x = 4,213,800.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.