Home / 3,980,308.13-5,492,445.65-2,326,841.82

Finding the Fourth Proportional to 3,980,308.13, 5,492,445.65 and 2,326,841.82

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Solution

The fourth proportional to 3,980,308.13, 5,492,445.65 and 2,326,841.82 is: 3,210,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,308.13 : 5,492,445.65 = 2,326,841.82 : x
  2. Step 2: Convert to fraction form
    3,980,308.13/5,492,445.65 = 2,326,841.82/x
  3. Step 3: Cross multiply
    3,980,308.13x = 5,492,445.65 × 2,326,841.82
  4. Step 4: Simplify right side
    3,980,308.13x = 12,780,052,220,862.87
  5. Step 5: Solve for x
    x = 12,780,052,220,862.87/3,980,308.13
  6. Step 6: Final answer
    x = 3,210,819.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.