Home / 4,877,679.20-7,308,645.60-4,074,612.80

Finding the Fourth Proportional to 4,877,679.20, 7,308,645.60 and 4,074,612.80

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Solution

The fourth proportional to 4,877,679.20, 7,308,645.60 and 4,074,612.80 is: 6,105,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877,679.20 : 7,308,645.60 = 4,074,612.80 : x
  2. Step 2: Convert to fraction form
    4,877,679.20/7,308,645.60 = 4,074,612.80/x
  3. Step 3: Cross multiply
    4,877,679.20x = 7,308,645.60 × 4,074,612.80
  4. Step 4: Simplify right side
    4,877,679.20x = 29,779,900,912,423.68
  5. Step 5: Solve for x
    x = 29,779,900,912,423.68/4,877,679.20
  6. Step 6: Final answer
    x = 6,105,342.25

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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.