Home / 2,666,948.60-4,000,422.90-2,488,489.40

Finding the Fourth Proportional to 2,666,948.60, 4,000,422.90 and 2,488,489.40

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Solution

The fourth proportional to 2,666,948.60, 4,000,422.90 and 2,488,489.40 is: 3,732,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,948.60 : 4,000,422.90 = 2,488,489.40 : x
  2. Step 2: Convert to fraction form
    2,666,948.60/4,000,422.90 = 2,488,489.40/x
  3. Step 3: Cross multiply
    2,666,948.60x = 4,000,422.90 × 2,488,489.40
  4. Step 4: Simplify right side
    2,666,948.60x = 9,955,009,982,167.26
  5. Step 5: Solve for x
    x = 9,955,009,982,167.26/2,666,948.60
  6. Step 6: Final answer
    x = 3,732,734.10

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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.