Home / 7,220,000.40-10,830,000.60-2,958,752.40

Finding the Fourth Proportional to 7,220,000.40, 10,830,000.60 and 2,958,752.40

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Solution

The fourth proportional to 7,220,000.40, 10,830,000.60 and 2,958,752.40 is: 4,438,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,000.40 : 10,830,000.60 = 2,958,752.40 : x
  2. Step 2: Convert to fraction form
    7,220,000.40/10,830,000.60 = 2,958,752.40/x
  3. Step 3: Cross multiply
    7,220,000.40x = 10,830,000.60 × 2,958,752.40
  4. Step 4: Simplify right side
    7,220,000.40x = 32,043,290,267,251.44
  5. Step 5: Solve for x
    x = 32,043,290,267,251.44/7,220,000.40
  6. Step 6: Final answer
    x = 4,438,128.60

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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.