Home / 3,619,943.28-5,421,648.06-1,728,013.32

Finding the Fourth Proportional to 3,619,943.28, 5,421,648.06 and 1,728,013.32

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Solution

The fourth proportional to 3,619,943.28, 5,421,648.06 and 1,728,013.32 is: 2,588,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,943.28 : 5,421,648.06 = 1,728,013.32 : x
  2. Step 2: Convert to fraction form
    3,619,943.28/5,421,648.06 = 1,728,013.32/x
  3. Step 3: Cross multiply
    3,619,943.28x = 5,421,648.06 × 1,728,013.32
  4. Step 4: Simplify right side
    3,619,943.28x = 9,368,680,064,032.16
  5. Step 5: Solve for x
    x = 9,368,680,064,032.16/3,619,943.28
  6. Step 6: Final answer
    x = 2,588,073.72

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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.