Home / 1,871,699.20-2,808,002.40-542,003.20

Finding the Fourth Proportional to 1,871,699.20, 2,808,002.40 and 542,003.20

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Solution

The fourth proportional to 1,871,699.20, 2,808,002.40 and 542,003.20 is: 813,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,699.20 : 2,808,002.40 = 542,003.20 : x
  2. Step 2: Convert to fraction form
    1,871,699.20/2,808,002.40 = 542,003.20/x
  3. Step 3: Cross multiply
    1,871,699.20x = 2,808,002.40 × 542,003.20
  4. Step 4: Simplify right side
    1,871,699.20x = 1,521,946,286,407.68
  5. Step 5: Solve for x
    x = 1,521,946,286,407.68/1,871,699.20
  6. Step 6: Final answer
    x = 813,136.15

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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.