Home / 2,258,731.68-3,116,160.84-1,291,342.32

Finding the Fourth Proportional to 2,258,731.68, 3,116,160.84 and 1,291,342.32

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Solution

The fourth proportional to 2,258,731.68, 3,116,160.84 and 1,291,342.32 is: 1,781,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258,731.68 : 3,116,160.84 = 1,291,342.32 : x
  2. Step 2: Convert to fraction form
    2,258,731.68/3,116,160.84 = 1,291,342.32/x
  3. Step 3: Cross multiply
    2,258,731.68x = 3,116,160.84 × 1,291,342.32
  4. Step 4: Simplify right side
    2,258,731.68x = 4,024,030,368,618.75
  5. Step 5: Solve for x
    x = 4,024,030,368,618.75/2,258,731.68
  6. Step 6: Final answer
    x = 1,781,544.22

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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.