Home / 1,839,309.40-2,761,037.70-1,420,442.20

Finding the Fourth Proportional to 1,839,309.40, 2,761,037.70 and 1,420,442.20

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Solution

The fourth proportional to 1,839,309.40, 2,761,037.70 and 1,420,442.20 is: 2,132,264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,309.40 : 2,761,037.70 = 1,420,442.20 : x
  2. Step 2: Convert to fraction form
    1,839,309.40/2,761,037.70 = 1,420,442.20/x
  3. Step 3: Cross multiply
    1,839,309.40x = 2,761,037.70 × 1,420,442.20
  4. Step 4: Simplify right side
    1,839,309.40x = 3,921,894,464,870.94
  5. Step 5: Solve for x
    x = 3,921,894,464,870.94/1,839,309.40
  6. Step 6: Final answer
    x = 2,132,264.68

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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.