Home / 2,172,772.16-2,998,691.02-1,255,000.25

Finding the Fourth Proportional to 2,172,772.16, 2,998,691.02 and 1,255,000.25

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Solution

The fourth proportional to 2,172,772.16, 2,998,691.02 and 1,255,000.25 is: 1,732,053.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,772.16 : 2,998,691.02 = 1,255,000.25 : x
  2. Step 2: Convert to fraction form
    2,172,772.16/2,998,691.02 = 1,255,000.25/x
  3. Step 3: Cross multiply
    2,172,772.16x = 2,998,691.02 × 1,255,000.25
  4. Step 4: Simplify right side
    2,172,772.16x = 3,763,357,988,667.49
  5. Step 5: Solve for x
    x = 3,763,357,988,667.49/2,172,772.16
  6. Step 6: Final answer
    x = 1,732,053.67

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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.