Home / 3,778,423.60-5,678,694.60-3,291,818.80

Finding the Fourth Proportional to 3,778,423.60, 5,678,694.60 and 3,291,818.80

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Solution

The fourth proportional to 3,778,423.60, 5,678,694.60 and 3,291,818.80 is: 4,947,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,423.60 : 5,678,694.60 = 3,291,818.80 : x
  2. Step 2: Convert to fraction form
    3,778,423.60/5,678,694.60 = 3,291,818.80/x
  3. Step 3: Cross multiply
    3,778,423.60x = 5,678,694.60 × 3,291,818.80
  4. Step 4: Simplify right side
    3,778,423.60x = 18,693,233,643,738.48
  5. Step 5: Solve for x
    x = 18,693,233,643,738.48/3,778,423.60
  6. Step 6: Final answer
    x = 4,947,363.14

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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.