Home / 4,712,133.06-7,061,660.28-2,147,079.30

Finding the Fourth Proportional to 4,712,133.06, 7,061,660.28 and 2,147,079.30

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Solution

The fourth proportional to 4,712,133.06, 7,061,660.28 and 2,147,079.30 is: 3,217,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,133.06 : 7,061,660.28 = 2,147,079.30 : x
  2. Step 2: Convert to fraction form
    4,712,133.06/7,061,660.28 = 2,147,079.30/x
  3. Step 3: Cross multiply
    4,712,133.06x = 7,061,660.28 × 2,147,079.30
  4. Step 4: Simplify right side
    4,712,133.06x = 15,161,944,610,820.20
  5. Step 5: Solve for x
    x = 15,161,944,610,820.20/4,712,133.06
  6. Step 6: Final answer
    x = 3,217,639.32

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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.