Home / 3,543,138.80-5,314,708.20-1,298,985.20

Finding the Fourth Proportional to 3,543,138.80, 5,314,708.20 and 1,298,985.20

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Solution

The fourth proportional to 3,543,138.80, 5,314,708.20 and 1,298,985.20 is: 1,948,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543,138.80 : 5,314,708.20 = 1,298,985.20 : x
  2. Step 2: Convert to fraction form
    3,543,138.80/5,314,708.20 = 1,298,985.20/x
  3. Step 3: Cross multiply
    3,543,138.80x = 5,314,708.20 × 1,298,985.20
  4. Step 4: Simplify right side
    3,543,138.80x = 6,903,727,294,118.64
  5. Step 5: Solve for x
    x = 6,903,727,294,118.64/3,543,138.80
  6. Step 6: Final answer
    x = 1,948,477.80

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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.