Home / 5,619,436.88-8,429,155.67-1,359,605.12

Finding the Fourth Proportional to 5,619,436.88, 8,429,155.67 and 1,359,605.12

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Solution

The fourth proportional to 5,619,436.88, 8,429,155.67 and 1,359,605.12 is: 2,039,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619,436.88 : 8,429,155.67 = 1,359,605.12 : x
  2. Step 2: Convert to fraction form
    5,619,436.88/8,429,155.67 = 1,359,605.12/x
  3. Step 3: Cross multiply
    5,619,436.88x = 8,429,155.67 × 1,359,605.12
  4. Step 4: Simplify right side
    5,619,436.88x = 11,460,323,167,462.26
  5. Step 5: Solve for x
    x = 11,460,323,167,462.26/5,619,436.88
  6. Step 6: Final answer
    x = 2,039,407.76

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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.