Home / 2,778,941.40-4,168,023.30-885,874.20

Finding the Fourth Proportional to 2,778,941.40, 4,168,023.30 and 885,874.20

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Solution

The fourth proportional to 2,778,941.40, 4,168,023.30 and 885,874.20 is: 1,328,687.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,941.40 : 4,168,023.30 = 885,874.20 : x
  2. Step 2: Convert to fraction form
    2,778,941.40/4,168,023.30 = 885,874.20/x
  3. Step 3: Cross multiply
    2,778,941.40x = 4,168,023.30 × 885,874.20
  4. Step 4: Simplify right side
    2,778,941.40x = 3,692,344,306,468.86
  5. Step 5: Solve for x
    x = 3,692,344,306,468.86/2,778,941.40
  6. Step 6: Final answer
    x = 1,328,687.36

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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.