Home / 2,861,512.98-3,948,886.80-1,572,436.50

Finding the Fourth Proportional to 2,861,512.98, 3,948,886.80 and 1,572,436.50

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Solution

The fourth proportional to 2,861,512.98, 3,948,886.80 and 1,572,436.50 is: 2,169,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,512.98 : 3,948,886.80 = 1,572,436.50 : x
  2. Step 2: Convert to fraction form
    2,861,512.98/3,948,886.80 = 1,572,436.50/x
  3. Step 3: Cross multiply
    2,861,512.98x = 3,948,886.80 × 1,572,436.50
  4. Step 4: Simplify right side
    2,861,512.98x = 6,209,373,738,688.20
  5. Step 5: Solve for x
    x = 6,209,373,738,688.20/2,861,512.98
  6. Step 6: Final answer
    x = 2,169,961.76

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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.