Home / 3,485,140.40-5,227,864.20-1,968,801.20

Finding the Fourth Proportional to 3,485,140.40, 5,227,864.20 and 1,968,801.20

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Solution

The fourth proportional to 3,485,140.40, 5,227,864.20 and 1,968,801.20 is: 2,953,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,140.40 : 5,227,864.20 = 1,968,801.20 : x
  2. Step 2: Convert to fraction form
    3,485,140.40/5,227,864.20 = 1,968,801.20/x
  3. Step 3: Cross multiply
    3,485,140.40x = 5,227,864.20 × 1,968,801.20
  4. Step 4: Simplify right side
    3,485,140.40x = 10,292,625,310,397.04
  5. Step 5: Solve for x
    x = 10,292,625,310,397.04/3,485,140.40
  6. Step 6: Final answer
    x = 2,953,288.57

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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.