Home / 4,472,972.16-6,709,457.40-1,107,179.28

Finding the Fourth Proportional to 4,472,972.16, 6,709,457.40 and 1,107,179.28

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Solution

The fourth proportional to 4,472,972.16, 6,709,457.40 and 1,107,179.28 is: 1,660,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472,972.16 : 6,709,457.40 = 1,107,179.28 : x
  2. Step 2: Convert to fraction form
    4,472,972.16/6,709,457.40 = 1,107,179.28/x
  3. Step 3: Cross multiply
    4,472,972.16x = 6,709,457.40 × 1,107,179.28
  4. Step 4: Simplify right side
    4,472,972.16x = 7,428,572,213,322.67
  5. Step 5: Solve for x
    x = 7,428,572,213,322.67/4,472,972.16
  6. Step 6: Final answer
    x = 1,660,768.71

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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.