Home / 3,917,462.40-5,874,126.40-1,221,285.12

Finding the Fourth Proportional to 3,917,462.40, 5,874,126.40 and 1,221,285.12

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Solution

The fourth proportional to 3,917,462.40, 5,874,126.40 and 1,221,285.12 is: 1,831,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917,462.40 : 5,874,126.40 = 1,221,285.12 : x
  2. Step 2: Convert to fraction form
    3,917,462.40/5,874,126.40 = 1,221,285.12/x
  3. Step 3: Cross multiply
    3,917,462.40x = 5,874,126.40 × 1,221,285.12
  4. Step 4: Simplify right side
    3,917,462.40x = 7,173,983,165,319.17
  5. Step 5: Solve for x
    x = 7,173,983,165,319.17/3,917,462.40
  6. Step 6: Final answer
    x = 1,831,283.22

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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.