Home / 2,257,508.92-3,114,475.53-1,290,120.25

Finding the Fourth Proportional to 2,257,508.92, 3,114,475.53 and 1,290,120.25

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Solution

The fourth proportional to 2,257,508.92, 3,114,475.53 and 1,290,120.25 is: 1,779,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,508.92 : 3,114,475.53 = 1,290,120.25 : x
  2. Step 2: Convert to fraction form
    2,257,508.92/3,114,475.53 = 1,290,120.25/x
  3. Step 3: Cross multiply
    2,257,508.92x = 3,114,475.53 × 1,290,120.25
  4. Step 4: Simplify right side
    2,257,508.92x = 4,018,047,949,382.48
  5. Step 5: Solve for x
    x = 4,018,047,949,382.48/2,257,508.92
  6. Step 6: Final answer
    x = 1,779,859.17

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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.