Home / 2,147,454.39-3,221,014.08-1,248,322.65

Finding the Fourth Proportional to 2,147,454.39, 3,221,014.08 and 1,248,322.65

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Solution

The fourth proportional to 2,147,454.39, 3,221,014.08 and 1,248,322.65 is: 1,872,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,454.39 : 3,221,014.08 = 1,248,322.65 : x
  2. Step 2: Convert to fraction form
    2,147,454.39/3,221,014.08 = 1,248,322.65/x
  3. Step 3: Cross multiply
    2,147,454.39x = 3,221,014.08 × 1,248,322.65
  4. Step 4: Simplify right side
    2,147,454.39x = 4,020,864,832,032.91
  5. Step 5: Solve for x
    x = 4,020,864,832,032.91/2,147,454.39
  6. Step 6: Final answer
    x = 1,872,386.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.