Home / 5,213,614.20-7,820,421.30-4,426,294.20

Finding the Fourth Proportional to 5,213,614.20, 7,820,421.30 and 4,426,294.20

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Solution

The fourth proportional to 5,213,614.20, 7,820,421.30 and 4,426,294.20 is: 6,639,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,614.20 : 7,820,421.30 = 4,426,294.20 : x
  2. Step 2: Convert to fraction form
    5,213,614.20/7,820,421.30 = 4,426,294.20/x
  3. Step 3: Cross multiply
    5,213,614.20x = 7,820,421.30 × 4,426,294.20
  4. Step 4: Simplify right side
    5,213,614.20x = 34,615,485,441,746.46
  5. Step 5: Solve for x
    x = 34,615,485,441,746.46/5,213,614.20
  6. Step 6: Final answer
    x = 6,639,441.30

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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.