Home / 3,319,149.02-4,979,609.51-1,189,448.42

Finding the Fourth Proportional to 3,319,149.02, 4,979,609.51 and 1,189,448.42

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Solution

The fourth proportional to 3,319,149.02, 4,979,609.51 and 1,189,448.42 is: 1,784,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,149.02 : 4,979,609.51 = 1,189,448.42 : x
  2. Step 2: Convert to fraction form
    3,319,149.02/4,979,609.51 = 1,189,448.42/x
  3. Step 3: Cross multiply
    3,319,149.02x = 4,979,609.51 × 1,189,448.42
  4. Step 4: Simplify right side
    3,319,149.02x = 5,922,988,663,886.47
  5. Step 5: Solve for x
    x = 5,922,988,663,886.47/3,319,149.02
  6. Step 6: Final answer
    x = 1,784,490.13

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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.