Home / 3,458,853.15-5,191,428.13-1,840,980.26

Finding the Fourth Proportional to 3,458,853.15, 5,191,428.13 and 1,840,980.26

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Solution

The fourth proportional to 3,458,853.15, 5,191,428.13 and 1,840,980.26 is: 2,763,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458,853.15 : 5,191,428.13 = 1,840,980.26 : x
  2. Step 2: Convert to fraction form
    3,458,853.15/5,191,428.13 = 1,840,980.26/x
  3. Step 3: Cross multiply
    3,458,853.15x = 5,191,428.13 × 1,840,980.26
  4. Step 4: Simplify right side
    3,458,853.15x = 9,557,316,690,957.69
  5. Step 5: Solve for x
    x = 9,557,316,690,957.69/3,458,853.15
  6. Step 6: Final answer
    x = 2,763,146.13

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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.