Home / 3,398,921.52-4,690,680.12-1,871,012.40

Finding the Fourth Proportional to 3,398,921.52, 4,690,680.12 and 1,871,012.40

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Solution

The fourth proportional to 3,398,921.52, 4,690,680.12 and 1,871,012.40 is: 2,582,089.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398,921.52 : 4,690,680.12 = 1,871,012.40 : x
  2. Step 2: Convert to fraction form
    3,398,921.52/4,690,680.12 = 1,871,012.40/x
  3. Step 3: Cross multiply
    3,398,921.52x = 4,690,680.12 × 1,871,012.40
  4. Step 4: Simplify right side
    3,398,921.52x = 8,776,320,668,953.49
  5. Step 5: Solve for x
    x = 8,776,320,668,953.49/3,398,921.52
  6. Step 6: Final answer
    x = 2,582,089.82

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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.