Home / 2,772,085.12-4,158,715.20-878,577.28

Finding the Fourth Proportional to 2,772,085.12, 4,158,715.20 and 878,577.28

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Solution

The fourth proportional to 2,772,085.12, 4,158,715.20 and 878,577.28 is: 1,318,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,085.12 : 4,158,715.20 = 878,577.28 : x
  2. Step 2: Convert to fraction form
    2,772,085.12/4,158,715.20 = 878,577.28/x
  3. Step 3: Cross multiply
    2,772,085.12x = 4,158,715.20 × 878,577.28
  4. Step 4: Simplify right side
    2,772,085.12x = 3,653,752,688,710.66
  5. Step 5: Solve for x
    x = 3,653,752,688,710.66/2,772,085.12
  6. Step 6: Final answer
    x = 1,318,052.13

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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.