Home / 1,613,123.60-2,224,867.16-1,001,638.40

Finding the Fourth Proportional to 1,613,123.60, 2,224,867.16 and 1,001,638.40

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Solution

The fourth proportional to 1,613,123.60, 2,224,867.16 and 1,001,638.40 is: 1,381,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,123.60 : 2,224,867.16 = 1,001,638.40 : x
  2. Step 2: Convert to fraction form
    1,613,123.60/2,224,867.16 = 1,001,638.40/x
  3. Step 3: Cross multiply
    1,613,123.60x = 2,224,867.16 × 1,001,638.40
  4. Step 4: Simplify right side
    1,613,123.60x = 2,228,512,373,734.70
  5. Step 5: Solve for x
    x = 2,228,512,373,734.70/1,613,123.60
  6. Step 6: Final answer
    x = 1,381,488.92

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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.