Home / 5,481,321.77-8,223,117.31-1,642,989.15

Finding the Fourth Proportional to 5,481,321.77, 8,223,117.31 and 1,642,989.15

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Solution

The fourth proportional to 5,481,321.77, 8,223,117.31 and 1,642,989.15 is: 2,464,823.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481,321.77 : 8,223,117.31 = 1,642,989.15 : x
  2. Step 2: Convert to fraction form
    5,481,321.77/8,223,117.31 = 1,642,989.15/x
  3. Step 3: Cross multiply
    5,481,321.77x = 8,223,117.31 × 1,642,989.15
  4. Step 4: Simplify right side
    5,481,321.77x = 13,510,492,478,391.60
  5. Step 5: Solve for x
    x = 13,510,492,478,391.60/5,481,321.77
  6. Step 6: Final answer
    x = 2,464,823.82

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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.