Home / 3,818,612.10-5,727,918.15-3,298,980.90

Finding the Fourth Proportional to 3,818,612.10, 5,727,918.15 and 3,298,980.90

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Solution

The fourth proportional to 3,818,612.10, 5,727,918.15 and 3,298,980.90 is: 4,948,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,612.10 : 5,727,918.15 = 3,298,980.90 : x
  2. Step 2: Convert to fraction form
    3,818,612.10/5,727,918.15 = 3,298,980.90/x
  3. Step 3: Cross multiply
    3,818,612.10x = 5,727,918.15 × 3,298,980.90
  4. Step 4: Simplify right side
    3,818,612.10x = 18,896,292,573,613.34
  5. Step 5: Solve for x
    x = 18,896,292,573,613.34/3,818,612.10
  6. Step 6: Final answer
    x = 4,948,471.35

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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.