Home / 3,276,681.12-4,915,017.42-880,525.76

Finding the Fourth Proportional to 3,276,681.12, 4,915,017.42 and 880,525.76

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Solution

The fourth proportional to 3,276,681.12, 4,915,017.42 and 880,525.76 is: 1,320,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276,681.12 : 4,915,017.42 = 880,525.76 : x
  2. Step 2: Convert to fraction form
    3,276,681.12/4,915,017.42 = 880,525.76/x
  3. Step 3: Cross multiply
    3,276,681.12x = 4,915,017.42 × 880,525.76
  4. Step 4: Simplify right side
    3,276,681.12x = 4,327,799,421,281.68
  5. Step 5: Solve for x
    x = 4,327,799,421,281.68/3,276,681.12
  6. Step 6: Final answer
    x = 1,320,787.49

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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.