Home / 3,078,023.80-4,617,035.70-2,912,686.60

Finding the Fourth Proportional to 3,078,023.80, 4,617,035.70 and 2,912,686.60

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Solution

The fourth proportional to 3,078,023.80, 4,617,035.70 and 2,912,686.60 is: 4,369,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,023.80 : 4,617,035.70 = 2,912,686.60 : x
  2. Step 2: Convert to fraction form
    3,078,023.80/4,617,035.70 = 2,912,686.60/x
  3. Step 3: Cross multiply
    3,078,023.80x = 4,617,035.70 × 2,912,686.60
  4. Step 4: Simplify right side
    3,078,023.80x = 13,447,978,015,111.62
  5. Step 5: Solve for x
    x = 13,447,978,015,111.62/3,078,023.80
  6. Step 6: Final answer
    x = 4,369,029.90

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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.