Home / 5,419,283.79-8,129,254.04-2,180,809.04

Finding the Fourth Proportional to 5,419,283.79, 8,129,254.04 and 2,180,809.04

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Solution

The fourth proportional to 5,419,283.79, 8,129,254.04 and 2,180,809.04 is: 3,271,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,283.79 : 8,129,254.04 = 2,180,809.04 : x
  2. Step 2: Convert to fraction form
    5,419,283.79/8,129,254.04 = 2,180,809.04/x
  3. Step 3: Cross multiply
    5,419,283.79x = 8,129,254.04 × 2,180,809.04
  4. Step 4: Simplify right side
    5,419,283.79x = 17,728,350,717,973.30
  5. Step 5: Solve for x
    x = 17,728,350,717,973.30/5,419,283.79
  6. Step 6: Final answer
    x = 3,271,345.70

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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.