Home / 3,980,869.57-5,970,147.52-1,551,482.13

Finding the Fourth Proportional to 3,980,869.57, 5,970,147.52 and 1,551,482.13

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Solution

The fourth proportional to 3,980,869.57, 5,970,147.52 and 1,551,482.13 is: 2,326,772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,869.57 : 5,970,147.52 = 1,551,482.13 : x
  2. Step 2: Convert to fraction form
    3,980,869.57/5,970,147.52 = 1,551,482.13/x
  3. Step 3: Cross multiply
    3,980,869.57x = 5,970,147.52 × 1,551,482.13
  4. Step 4: Simplify right side
    3,980,869.57x = 9,262,577,190,743.82
  5. Step 5: Solve for x
    x = 9,262,577,190,743.82/3,980,869.57
  6. Step 6: Final answer
    x = 2,326,772.34

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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.