Home / 4,743,921.60-7,116,079.44-1,378,128.60

Finding the Fourth Proportional to 4,743,921.60, 7,116,079.44 and 1,378,128.60

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Solution

The fourth proportional to 4,743,921.60, 7,116,079.44 and 1,378,128.60 is: 2,067,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743,921.60 : 7,116,079.44 = 1,378,128.60 : x
  2. Step 2: Convert to fraction form
    4,743,921.60/7,116,079.44 = 1,378,128.60/x
  3. Step 3: Cross multiply
    4,743,921.60x = 7,116,079.44 × 1,378,128.60
  4. Step 4: Simplify right side
    4,743,921.60x = 9,806,872,596,135.99
  5. Step 5: Solve for x
    x = 9,806,872,596,135.99/4,743,921.60
  6. Step 6: Final answer
    x = 2,067,250.14

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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.