Home / 2,592,043.20-3,888,064.80-1,329,998.40

Finding the Fourth Proportional to 2,592,043.20, 3,888,064.80 and 1,329,998.40

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Solution

The fourth proportional to 2,592,043.20, 3,888,064.80 and 1,329,998.40 is: 1,994,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592,043.20 : 3,888,064.80 = 1,329,998.40 : x
  2. Step 2: Convert to fraction form
    2,592,043.20/3,888,064.80 = 1,329,998.40/x
  3. Step 3: Cross multiply
    2,592,043.20x = 3,888,064.80 × 1,329,998.40
  4. Step 4: Simplify right side
    2,592,043.20x = 5,171,119,963,096.32
  5. Step 5: Solve for x
    x = 5,171,119,963,096.32/2,592,043.20
  6. Step 6: Final answer
    x = 1,994,997.60

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Similar ratio
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1.5x scale

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.