Home / 1,689,909.13-2,330,792.27-1,224,082.24

Finding the Fourth Proportional to 1,689,909.13, 2,330,792.27 and 1,224,082.24

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Solution

The fourth proportional to 1,689,909.13, 2,330,792.27 and 1,224,082.24 is: 1,688,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,909.13 : 2,330,792.27 = 1,224,082.24 : x
  2. Step 2: Convert to fraction form
    1,689,909.13/2,330,792.27 = 1,224,082.24/x
  3. Step 3: Cross multiply
    1,689,909.13x = 2,330,792.27 × 1,224,082.24
  4. Step 4: Simplify right side
    1,689,909.13x = 2,853,081,405,061.91
  5. Step 5: Solve for x
    x = 2,853,081,405,061.91/1,689,909.13
  6. Step 6: Final answer
    x = 1,688,304.63

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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.