Home / 3,980,237.60-5,957,655.60-3,140,429.60

Finding the Fourth Proportional to 3,980,237.60, 5,957,655.60 and 3,140,429.60

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Solution

The fourth proportional to 3,980,237.60, 5,957,655.60 and 3,140,429.60 is: 4,700,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,237.60 : 5,957,655.60 = 3,140,429.60 : x
  2. Step 2: Convert to fraction form
    3,980,237.60/5,957,655.60 = 3,140,429.60/x
  3. Step 3: Cross multiply
    3,980,237.60x = 5,957,655.60 × 3,140,429.60
  4. Step 4: Simplify right side
    3,980,237.60x = 18,709,597,992,845.76
  5. Step 5: Solve for x
    x = 18,709,597,992,845.76/3,980,237.60
  6. Step 6: Final answer
    x = 4,700,623.40

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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.