Home / 2,715,189.30-4,072,783.95-822,024.90

Finding the Fourth Proportional to 2,715,189.30, 4,072,783.95 and 822,024.90

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Solution

The fourth proportional to 2,715,189.30, 4,072,783.95 and 822,024.90 is: 1,233,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715,189.30 : 4,072,783.95 = 822,024.90 : x
  2. Step 2: Convert to fraction form
    2,715,189.30/4,072,783.95 = 822,024.90/x
  3. Step 3: Cross multiply
    2,715,189.30x = 4,072,783.95 × 822,024.90
  4. Step 4: Simplify right side
    2,715,189.30x = 3,347,929,819,220.36
  5. Step 5: Solve for x
    x = 3,347,929,819,220.36/2,715,189.30
  6. Step 6: Final answer
    x = 1,233,037.35

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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.