Home / 2,980,432.40-4,468,121.40-1,086,069.20

Finding the Fourth Proportional to 2,980,432.40, 4,468,121.40 and 1,086,069.20

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Solution

The fourth proportional to 2,980,432.40, 4,468,121.40 and 1,086,069.20 is: 1,628,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,432.40 : 4,468,121.40 = 1,086,069.20 : x
  2. Step 2: Convert to fraction form
    2,980,432.40/4,468,121.40 = 1,086,069.20/x
  3. Step 3: Cross multiply
    2,980,432.40x = 4,468,121.40 × 1,086,069.20
  4. Step 4: Simplify right side
    2,980,432.40x = 4,852,689,034,400.88
  5. Step 5: Solve for x
    x = 4,852,689,034,400.88/2,980,432.40
  6. Step 6: Final answer
    x = 1,628,182.89

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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.