Home / 2,253,522.42-3,109,864.08-1,221,041.40

Finding the Fourth Proportional to 2,253,522.42, 3,109,864.08 and 1,221,041.40

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Solution

The fourth proportional to 2,253,522.42, 3,109,864.08 and 1,221,041.40 is: 1,685,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253,522.42 : 3,109,864.08 = 1,221,041.40 : x
  2. Step 2: Convert to fraction form
    2,253,522.42/3,109,864.08 = 1,221,041.40/x
  3. Step 3: Cross multiply
    2,253,522.42x = 3,109,864.08 × 1,221,041.40
  4. Step 4: Simplify right side
    2,253,522.42x = 3,797,272,790,052.91
  5. Step 5: Solve for x
    x = 3,797,272,790,052.91/2,253,522.42
  6. Step 6: Final answer
    x = 1,685,038.83

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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.