Home / 3,180,231.40-4,775,876.70-1,687,239.40

Finding the Fourth Proportional to 3,180,231.40, 4,775,876.70 and 1,687,239.40

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Solution

The fourth proportional to 3,180,231.40, 4,775,876.70 and 1,687,239.40 is: 2,533,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,231.40 : 4,775,876.70 = 1,687,239.40 : x
  2. Step 2: Convert to fraction form
    3,180,231.40/4,775,876.70 = 1,687,239.40/x
  3. Step 3: Cross multiply
    3,180,231.40x = 4,775,876.70 × 1,687,239.40
  4. Step 4: Simplify right side
    3,180,231.40x = 8,058,047,337,781.98
  5. Step 5: Solve for x
    x = 8,058,047,337,781.98/3,180,231.40
  6. Step 6: Final answer
    x = 2,533,792.77

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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.