Home / 5,251,403.40-7,877,105.10-2,862,616.20

Finding the Fourth Proportional to 5,251,403.40, 7,877,105.10 and 2,862,616.20

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Solution

The fourth proportional to 5,251,403.40, 7,877,105.10 and 2,862,616.20 is: 4,293,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,403.40 : 7,877,105.10 = 2,862,616.20 : x
  2. Step 2: Convert to fraction form
    5,251,403.40/7,877,105.10 = 2,862,616.20/x
  3. Step 3: Cross multiply
    5,251,403.40x = 7,877,105.10 × 2,862,616.20
  4. Step 4: Simplify right side
    5,251,403.40x = 22,549,128,668,362.62
  5. Step 5: Solve for x
    x = 22,549,128,668,362.62/5,251,403.40
  6. Step 6: Final answer
    x = 4,293,924.30

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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.