Home / 2,639,701.90-3,642,788.66-1,432,477.90

Finding the Fourth Proportional to 2,639,701.90, 3,642,788.66 and 1,432,477.90

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Solution

The fourth proportional to 2,639,701.90, 3,642,788.66 and 1,432,477.90 is: 1,976,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,701.90 : 3,642,788.66 = 1,432,477.90 : x
  2. Step 2: Convert to fraction form
    2,639,701.90/3,642,788.66 = 1,432,477.90/x
  3. Step 3: Cross multiply
    2,639,701.90x = 3,642,788.66 × 1,432,477.90
  4. Step 4: Simplify right side
    2,639,701.90x = 5,218,214,249,820.61
  5. Step 5: Solve for x
    x = 5,218,214,249,820.61/2,639,701.90
  6. Step 6: Final answer
    x = 1,976,819.52

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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.