Home / 2,872,963.20-4,309,444.80-2,830,972.80

Finding the Fourth Proportional to 2,872,963.20, 4,309,444.80 and 2,830,972.80

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Solution

The fourth proportional to 2,872,963.20, 4,309,444.80 and 2,830,972.80 is: 4,246,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,963.20 : 4,309,444.80 = 2,830,972.80 : x
  2. Step 2: Convert to fraction form
    2,872,963.20/4,309,444.80 = 2,830,972.80/x
  3. Step 3: Cross multiply
    2,872,963.20x = 4,309,444.80 × 2,830,972.80
  4. Step 4: Simplify right side
    2,872,963.20x = 12,199,921,011,901.44
  5. Step 5: Solve for x
    x = 12,199,921,011,901.44/2,872,963.20
  6. Step 6: Final answer
    x = 4,246,459.20

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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.