Home / 2,687,902.35-4,029,722.23-1,408,264.40

Finding the Fourth Proportional to 2,687,902.35, 4,029,722.23 and 1,408,264.40

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Solution

The fourth proportional to 2,687,902.35, 4,029,722.23 and 1,408,264.40 is: 2,111,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,902.35 : 4,029,722.23 = 1,408,264.40 : x
  2. Step 2: Convert to fraction form
    2,687,902.35/4,029,722.23 = 1,408,264.40/x
  3. Step 3: Cross multiply
    2,687,902.35x = 4,029,722.23 × 1,408,264.40
  4. Step 4: Simplify right side
    2,687,902.35x = 5,674,914,358,397.61
  5. Step 5: Solve for x
    x = 5,674,914,358,397.61/2,687,902.35
  6. Step 6: Final answer
    x = 2,111,279.96

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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.