Home / 3,187,474.56-4,403,022.72-2,547,381.12

Finding the Fourth Proportional to 3,187,474.56, 4,403,022.72 and 2,547,381.12

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Solution

The fourth proportional to 3,187,474.56, 4,403,022.72 and 2,547,381.12 is: 3,518,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,474.56 : 4,403,022.72 = 2,547,381.12 : x
  2. Step 2: Convert to fraction form
    3,187,474.56/4,403,022.72 = 2,547,381.12/x
  3. Step 3: Cross multiply
    3,187,474.56x = 4,403,022.72 × 2,547,381.12
  4. Step 4: Simplify right side
    3,187,474.56x = 11,216,176,947,859.05
  5. Step 5: Solve for x
    x = 11,216,176,947,859.05/3,187,474.56
  6. Step 6: Final answer
    x = 3,518,828.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.