Home / 3,639,454.91-5,458,985.53-1,115,117.45

Finding the Fourth Proportional to 3,639,454.91, 5,458,985.53 and 1,115,117.45

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Solution

The fourth proportional to 3,639,454.91, 5,458,985.53 and 1,115,117.45 is: 1,672,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,454.91 : 5,458,985.53 = 1,115,117.45 : x
  2. Step 2: Convert to fraction form
    3,639,454.91/5,458,985.53 = 1,115,117.45/x
  3. Step 3: Cross multiply
    3,639,454.91x = 5,458,985.53 × 1,115,117.45
  4. Step 4: Simplify right side
    3,639,454.91x = 6,087,409,993,717.78
  5. Step 5: Solve for x
    x = 6,087,409,993,717.78/3,639,454.91
  6. Step 6: Final answer
    x = 1,672,615.86

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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.