Home / 5,602,131.20-8,403,196.80-1,613,446.40

Finding the Fourth Proportional to 5,602,131.20, 8,403,196.80 and 1,613,446.40

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Solution

The fourth proportional to 5,602,131.20, 8,403,196.80 and 1,613,446.40 is: 2,420,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602,131.20 : 8,403,196.80 = 1,613,446.40 : x
  2. Step 2: Convert to fraction form
    5,602,131.20/8,403,196.80 = 1,613,446.40/x
  3. Step 3: Cross multiply
    5,602,131.20x = 8,403,196.80 × 1,613,446.40
  4. Step 4: Simplify right side
    5,602,131.20x = 13,558,107,625,451.52
  5. Step 5: Solve for x
    x = 13,558,107,625,451.52/5,602,131.20
  6. Step 6: Final answer
    x = 2,420,169.60

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Similar ratio
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1.5x scale

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.