Home / 1,788,082.61-2,678,748.80-1,056,422.66

Finding the Fourth Proportional to 1,788,082.61, 2,678,748.80 and 1,056,422.66

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Solution

The fourth proportional to 1,788,082.61, 2,678,748.80 and 1,056,422.66 is: 1,582,639.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,082.61 : 2,678,748.80 = 1,056,422.66 : x
  2. Step 2: Convert to fraction form
    1,788,082.61/2,678,748.80 = 1,056,422.66/x
  3. Step 3: Cross multiply
    1,788,082.61x = 2,678,748.80 × 1,056,422.66
  4. Step 4: Simplify right side
    1,788,082.61x = 2,829,890,914,091.95
  5. Step 5: Solve for x
    x = 2,829,890,914,091.95/1,788,082.61
  6. Step 6: Final answer
    x = 1,582,639.92

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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.