Home / 2,434,769.40-3,645,155.70-1,489,985.40

Finding the Fourth Proportional to 2,434,769.40, 3,645,155.70 and 1,489,985.40

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Solution

The fourth proportional to 2,434,769.40, 3,645,155.70 and 1,489,985.40 is: 2,230,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434,769.40 : 3,645,155.70 = 1,489,985.40 : x
  2. Step 2: Convert to fraction form
    2,434,769.40/3,645,155.70 = 1,489,985.40/x
  3. Step 3: Cross multiply
    2,434,769.40x = 3,645,155.70 × 1,489,985.40
  4. Step 4: Simplify right side
    2,434,769.40x = 5,431,228,773,726.78
  5. Step 5: Solve for x
    x = 5,431,228,773,726.78/2,434,769.40
  6. Step 6: Final answer
    x = 2,230,695.35

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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.