Home / 2,103,756.40-3,147,761.40-1,395,168.40

Finding the Fourth Proportional to 2,103,756.40, 3,147,761.40 and 1,395,168.40

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Solution

The fourth proportional to 2,103,756.40, 3,147,761.40 and 1,395,168.40 is: 2,087,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,756.40 : 3,147,761.40 = 1,395,168.40 : x
  2. Step 2: Convert to fraction form
    2,103,756.40/3,147,761.40 = 1,395,168.40/x
  3. Step 3: Cross multiply
    2,103,756.40x = 3,147,761.40 × 1,395,168.40
  4. Step 4: Simplify right side
    2,103,756.40x = 4,391,657,236,019.76
  5. Step 5: Solve for x
    x = 4,391,657,236,019.76/2,103,756.40
  6. Step 6: Final answer
    x = 2,087,531.25

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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.