Home / 2,166,575.52-2,989,837.68-1,199,685.03

Finding the Fourth Proportional to 2,166,575.52, 2,989,837.68 and 1,199,685.03

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Solution

The fourth proportional to 2,166,575.52, 2,989,837.68 and 1,199,685.03 is: 1,655,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,575.52 : 2,989,837.68 = 1,199,685.03 : x
  2. Step 2: Convert to fraction form
    2,166,575.52/2,989,837.68 = 1,199,685.03/x
  3. Step 3: Cross multiply
    2,166,575.52x = 2,989,837.68 × 1,199,685.03
  4. Step 4: Simplify right side
    2,166,575.52x = 3,586,863,506,825.93
  5. Step 5: Solve for x
    x = 3,586,863,506,825.93/2,166,575.52
  6. Step 6: Final answer
    x = 1,655,545.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.