Home / 1,915,702.20-2,871,134.10-969,334.20

Finding the Fourth Proportional to 1,915,702.20, 2,871,134.10 and 969,334.20

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Solution

The fourth proportional to 1,915,702.20, 2,871,134.10 and 969,334.20 is: 1,452,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,702.20 : 2,871,134.10 = 969,334.20 : x
  2. Step 2: Convert to fraction form
    1,915,702.20/2,871,134.10 = 969,334.20/x
  3. Step 3: Cross multiply
    1,915,702.20x = 2,871,134.10 × 969,334.20
  4. Step 4: Simplify right side
    1,915,702.20x = 2,783,088,475,916.22
  5. Step 5: Solve for x
    x = 2,783,088,475,916.22/1,915,702.20
  6. Step 6: Final answer
    x = 1,452,777.20

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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.