Home / 2,514,804.40-3,772,207.82-831,907.90

Finding the Fourth Proportional to 2,514,804.40, 3,772,207.82 and 831,907.90

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Solution

The fourth proportional to 2,514,804.40, 3,772,207.82 and 831,907.90 is: 1,247,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514,804.40 : 3,772,207.82 = 831,907.90 : x
  2. Step 2: Convert to fraction form
    2,514,804.40/3,772,207.82 = 831,907.90/x
  3. Step 3: Cross multiply
    2,514,804.40x = 3,772,207.82 × 831,907.90
  4. Step 4: Simplify right side
    2,514,804.40x = 3,138,129,485,899.78
  5. Step 5: Solve for x
    x = 3,138,129,485,899.78/2,514,804.40
  6. Step 6: Final answer
    x = 1,247,862.25

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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.