Home / 2,540,720.60-3,506,264.62-1,438,064.36

Finding the Fourth Proportional to 2,540,720.60, 3,506,264.62 and 1,438,064.36

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Solution

The fourth proportional to 2,540,720.60, 3,506,264.62 and 1,438,064.36 is: 1,984,568.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540,720.60 : 3,506,264.62 = 1,438,064.36 : x
  2. Step 2: Convert to fraction form
    2,540,720.60/3,506,264.62 = 1,438,064.36/x
  3. Step 3: Cross multiply
    2,540,720.60x = 3,506,264.62 × 1,438,064.36
  4. Step 4: Simplify right side
    2,540,720.60x = 5,042,234,186,750.94
  5. Step 5: Solve for x
    x = 5,042,234,186,750.94/2,540,720.60
  6. Step 6: Final answer
    x = 1,984,568.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.