Home / 2,788,530.30-4,179,432.06-1,439,957.76

Finding the Fourth Proportional to 2,788,530.30, 4,179,432.06 and 1,439,957.76

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Solution

The fourth proportional to 2,788,530.30, 4,179,432.06 and 1,439,957.76 is: 2,158,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,530.30 : 4,179,432.06 = 1,439,957.76 : x
  2. Step 2: Convert to fraction form
    2,788,530.30/4,179,432.06 = 1,439,957.76/x
  3. Step 3: Cross multiply
    2,788,530.30x = 4,179,432.06 × 1,439,957.76
  4. Step 4: Simplify right side
    2,788,530.30x = 6,018,205,627,189.79
  5. Step 5: Solve for x
    x = 6,018,205,627,189.79/2,788,530.30
  6. Step 6: Final answer
    x = 2,158,199.83

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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.