Home / 5,129,718.60-7,684,080.30-2,606,795.40

Finding the Fourth Proportional to 5,129,718.60, 7,684,080.30 and 2,606,795.40

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Solution

The fourth proportional to 5,129,718.60, 7,684,080.30 and 2,606,795.40 is: 3,904,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,718.60 : 7,684,080.30 = 2,606,795.40 : x
  2. Step 2: Convert to fraction form
    5,129,718.60/7,684,080.30 = 2,606,795.40/x
  3. Step 3: Cross multiply
    5,129,718.60x = 7,684,080.30 × 2,606,795.40
  4. Step 4: Simplify right side
    5,129,718.60x = 20,030,825,179,270.62
  5. Step 5: Solve for x
    x = 20,030,825,179,270.62/5,129,718.60
  6. Step 6: Final answer
    x = 3,904,858.48

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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.