Home / 5,221,420.08-7,832,119.34-2,945,911.50

Finding the Fourth Proportional to 5,221,420.08, 7,832,119.34 and 2,945,911.50

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Solution

The fourth proportional to 5,221,420.08, 7,832,119.34 and 2,945,911.50 is: 4,418,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,420.08 : 7,832,119.34 = 2,945,911.50 : x
  2. Step 2: Convert to fraction form
    5,221,420.08/7,832,119.34 = 2,945,911.50/x
  3. Step 3: Cross multiply
    5,221,420.08x = 7,832,119.34 × 2,945,911.50
  4. Step 4: Simplify right side
    5,221,420.08x = 23,072,730,418,348.85
  5. Step 5: Solve for x
    x = 23,072,730,418,348.85/5,221,420.08
  6. Step 6: Final answer
    x = 4,418,861.17

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1.5x scale

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.