Home / 2,257,669.86-3,115,586.42-1,225,177.64

Finding the Fourth Proportional to 2,257,669.86, 3,115,586.42 and 1,225,177.64

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Solution

The fourth proportional to 2,257,669.86, 3,115,586.42 and 1,225,177.64 is: 1,690,746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,669.86 : 3,115,586.42 = 1,225,177.64 : x
  2. Step 2: Convert to fraction form
    2,257,669.86/3,115,586.42 = 1,225,177.64/x
  3. Step 3: Cross multiply
    2,257,669.86x = 3,115,586.42 × 1,225,177.64
  4. Step 4: Simplify right side
    2,257,669.86x = 3,817,146,795,567.83
  5. Step 5: Solve for x
    x = 3,817,146,795,567.83/2,257,669.86
  6. Step 6: Final answer
    x = 1,690,746.23

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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.