Home / 1,871,698.20-2,808,000.90-542,002.20

Finding the Fourth Proportional to 1,871,698.20, 2,808,000.90 and 542,002.20

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Solution

The fourth proportional to 1,871,698.20, 2,808,000.90 and 542,002.20 is: 813,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,698.20 : 2,808,000.90 = 542,002.20 : x
  2. Step 2: Convert to fraction form
    1,871,698.20/2,808,000.90 = 542,002.20/x
  3. Step 3: Cross multiply
    1,871,698.20x = 2,808,000.90 × 542,002.20
  4. Step 4: Simplify right side
    1,871,698.20x = 1,521,942,665,401.98
  5. Step 5: Solve for x
    x = 1,521,942,665,401.98/1,871,698.20
  6. Step 6: Final answer
    x = 813,134.65

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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.