Home / 2,487,643.92-3,433,122.90-1,400,020.20

Finding the Fourth Proportional to 2,487,643.92, 3,433,122.90 and 1,400,020.20

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Solution

The fourth proportional to 2,487,643.92, 3,433,122.90 and 1,400,020.20 is: 1,932,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,643.92 : 3,433,122.90 = 1,400,020.20 : x
  2. Step 2: Convert to fraction form
    2,487,643.92/3,433,122.90 = 1,400,020.20/x
  3. Step 3: Cross multiply
    2,487,643.92x = 3,433,122.90 × 1,400,020.20
  4. Step 4: Simplify right side
    2,487,643.92x = 4,806,441,409,082.58
  5. Step 5: Solve for x
    x = 4,806,441,409,082.58/2,487,643.92
  6. Step 6: Final answer
    x = 1,932,125.96

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1.5x scale

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.