Home / 2,267,998.40-3,402,289.20-1,131,341.60

Finding the Fourth Proportional to 2,267,998.40, 3,402,289.20 and 1,131,341.60

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Solution

The fourth proportional to 2,267,998.40, 3,402,289.20 and 1,131,341.60 is: 1,697,157.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267,998.40 : 3,402,289.20 = 1,131,341.60 : x
  2. Step 2: Convert to fraction form
    2,267,998.40/3,402,289.20 = 1,131,341.60/x
  3. Step 3: Cross multiply
    2,267,998.40x = 3,402,289.20 × 1,131,341.60
  4. Step 4: Simplify right side
    2,267,998.40x = 3,849,151,307,190.72
  5. Step 5: Solve for x
    x = 3,849,151,307,190.72/2,267,998.40
  6. Step 6: Final answer
    x = 1,697,157.86

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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.