Home / 4,520,713.89-6,781,126.87-1,325,906.01

Finding the Fourth Proportional to 4,520,713.89, 6,781,126.87 and 1,325,906.01

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Solution

The fourth proportional to 4,520,713.89, 6,781,126.87 and 1,325,906.01 is: 1,988,875.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520,713.89 : 6,781,126.87 = 1,325,906.01 : x
  2. Step 2: Convert to fraction form
    4,520,713.89/6,781,126.87 = 1,325,906.01/x
  3. Step 3: Cross multiply
    4,520,713.89x = 6,781,126.87 × 1,325,906.01
  4. Step 4: Simplify right side
    4,520,713.89x = 8,991,136,898,592.10
  5. Step 5: Solve for x
    x = 8,991,136,898,592.10/4,520,713.89
  6. Step 6: Final answer
    x = 1,988,875.46

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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.