Home / 3,128,522.19-4,315,130.22-2,871,228.52

Finding the Fourth Proportional to 3,128,522.19, 4,315,130.22 and 2,871,228.52

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Solution

The fourth proportional to 3,128,522.19, 4,315,130.22 and 2,871,228.52 is: 3,960,248.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,522.19 : 4,315,130.22 = 2,871,228.52 : x
  2. Step 2: Convert to fraction form
    3,128,522.19/4,315,130.22 = 2,871,228.52/x
  3. Step 3: Cross multiply
    3,128,522.19x = 4,315,130.22 × 2,871,228.52
  4. Step 4: Simplify right side
    3,128,522.19x = 12,389,724,955,177.87
  5. Step 5: Solve for x
    x = 12,389,724,955,177.87/3,128,522.19
  6. Step 6: Final answer
    x = 3,960,248.39

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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.