Home / 2,687,901.85-4,029,721.48-1,408,263.90

Finding the Fourth Proportional to 2,687,901.85, 4,029,721.48 and 1,408,263.90

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Solution

The fourth proportional to 2,687,901.85, 4,029,721.48 and 1,408,263.90 is: 2,111,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,901.85 : 4,029,721.48 = 1,408,263.90 : x
  2. Step 2: Convert to fraction form
    2,687,901.85/4,029,721.48 = 1,408,263.90/x
  3. Step 3: Cross multiply
    2,687,901.85x = 4,029,721.48 × 1,408,263.90
  4. Step 4: Simplify right side
    2,687,901.85x = 5,674,911,267,189.97
  5. Step 5: Solve for x
    x = 5,674,911,267,189.97/2,687,901.85
  6. Step 6: Final answer
    x = 2,111,279.20

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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.