Home / 4,672,215.10-7,007,010.45-1,478,320.30

Finding the Fourth Proportional to 4,672,215.10, 7,007,010.45 and 1,478,320.30

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Solution

The fourth proportional to 4,672,215.10, 7,007,010.45 and 1,478,320.30 is: 2,217,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672,215.10 : 7,007,010.45 = 1,478,320.30 : x
  2. Step 2: Convert to fraction form
    4,672,215.10/7,007,010.45 = 1,478,320.30/x
  3. Step 3: Cross multiply
    4,672,215.10x = 7,007,010.45 × 1,478,320.30
  4. Step 4: Simplify right side
    4,672,215.10x = 10,358,605,790,547.13
  5. Step 5: Solve for x
    x = 10,358,605,790,547.13/4,672,215.10
  6. Step 6: Final answer
    x = 2,217,065.26

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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.