Home / 3,139,415.60-4,709,123.40-1,543,002.80

Finding the Fourth Proportional to 3,139,415.60, 4,709,123.40 and 1,543,002.80

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Solution

The fourth proportional to 3,139,415.60, 4,709,123.40 and 1,543,002.80 is: 2,314,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,415.60 : 4,709,123.40 = 1,543,002.80 : x
  2. Step 2: Convert to fraction form
    3,139,415.60/4,709,123.40 = 1,543,002.80/x
  3. Step 3: Cross multiply
    3,139,415.60x = 4,709,123.40 × 1,543,002.80
  4. Step 4: Simplify right side
    3,139,415.60x = 7,266,190,591,745.52
  5. Step 5: Solve for x
    x = 7,266,190,591,745.52/3,139,415.60
  6. Step 6: Final answer
    x = 2,314,504.20

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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.