Home / 4,671,805.20-7,007,707.80-1,477,910.40

Finding the Fourth Proportional to 4,671,805.20, 7,007,707.80 and 1,477,910.40

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Solution

The fourth proportional to 4,671,805.20, 7,007,707.80 and 1,477,910.40 is: 2,216,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671,805.20 : 7,007,707.80 = 1,477,910.40 : x
  2. Step 2: Convert to fraction form
    4,671,805.20/7,007,707.80 = 1,477,910.40/x
  3. Step 3: Cross multiply
    4,671,805.20x = 7,007,707.80 × 1,477,910.40
  4. Step 4: Simplify right side
    4,671,805.20x = 10,356,764,237,781.12
  5. Step 5: Solve for x
    x = 10,356,764,237,781.12/4,671,805.20
  6. Step 6: Final answer
    x = 2,216,865.60

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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.