Home / 3,417,802.79-5,127,826.54-1,397,745.61

Finding the Fourth Proportional to 3,417,802.79, 5,127,826.54 and 1,397,745.61

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Solution

The fourth proportional to 3,417,802.79, 5,127,826.54 and 1,397,745.61 is: 2,097,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417,802.79 : 5,127,826.54 = 1,397,745.61 : x
  2. Step 2: Convert to fraction form
    3,417,802.79/5,127,826.54 = 1,397,745.61/x
  3. Step 3: Cross multiply
    3,417,802.79x = 5,127,826.54 × 1,397,745.61
  4. Step 4: Simplify right side
    3,417,802.79x = 7,167,397,035,126.49
  5. Step 5: Solve for x
    x = 7,167,397,035,126.49/3,417,802.79
  6. Step 6: Final answer
    x = 2,097,077.41

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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.