Home / 1,988,872.61-2,984,794.65-1,347,655.95

Finding the Fourth Proportional to 1,988,872.61, 2,984,794.65 and 1,347,655.95

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Solution

The fourth proportional to 1,988,872.61, 2,984,794.65 and 1,347,655.95 is: 2,022,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,872.61 : 2,984,794.65 = 1,347,655.95 : x
  2. Step 2: Convert to fraction form
    1,988,872.61/2,984,794.65 = 1,347,655.95/x
  3. Step 3: Cross multiply
    1,988,872.61x = 2,984,794.65 × 1,347,655.95
  4. Step 4: Simplify right side
    1,988,872.61x = 4,022,476,269,600.67
  5. Step 5: Solve for x
    x = 4,022,476,269,600.67/1,988,872.61
  6. Step 6: Final answer
    x = 2,022,490.66

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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.