Home / 1,530,577.62-2,115,110.16-1,147,940.10

Finding the Fourth Proportional to 1,530,577.62, 2,115,110.16 and 1,147,940.10

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Solution

The fourth proportional to 1,530,577.62, 2,115,110.16 and 1,147,940.10 is: 1,586,342.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,577.62 : 2,115,110.16 = 1,147,940.10 : x
  2. Step 2: Convert to fraction form
    1,530,577.62/2,115,110.16 = 1,147,940.10/x
  3. Step 3: Cross multiply
    1,530,577.62x = 2,115,110.16 × 1,147,940.10
  4. Step 4: Simplify right side
    1,530,577.62x = 2,428,019,768,581.42
  5. Step 5: Solve for x
    x = 2,428,019,768,581.42/1,530,577.62
  6. Step 6: Final answer
    x = 1,586,342.13

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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.