Home / 2,438,128.32-3,657,433.08-840,481.04

Finding the Fourth Proportional to 2,438,128.32, 3,657,433.08 and 840,481.04

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Solution

The fourth proportional to 2,438,128.32, 3,657,433.08 and 840,481.04 is: 1,260,804.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438,128.32 : 3,657,433.08 = 840,481.04 : x
  2. Step 2: Convert to fraction form
    2,438,128.32/3,657,433.08 = 840,481.04/x
  3. Step 3: Cross multiply
    2,438,128.32x = 3,657,433.08 × 840,481.04
  4. Step 4: Simplify right side
    2,438,128.32x = 3,074,003,158,808.80
  5. Step 5: Solve for x
    x = 3,074,003,158,808.80/2,438,128.32
  6. Step 6: Final answer
    x = 1,260,804.50

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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.