Home / 5,666,920.22-7,820,532.10-3,219,486.60

Finding the Fourth Proportional to 5,666,920.22, 7,820,532.10 and 3,219,486.60

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Solution

The fourth proportional to 5,666,920.22, 7,820,532.10 and 3,219,486.60 is: 4,442,995.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666,920.22 : 7,820,532.10 = 3,219,486.60 : x
  2. Step 2: Convert to fraction form
    5,666,920.22/7,820,532.10 = 3,219,486.60/x
  3. Step 3: Cross multiply
    5,666,920.22x = 7,820,532.10 × 3,219,486.60
  4. Step 4: Simplify right side
    5,666,920.22x = 25,178,098,300,819.86
  5. Step 5: Solve for x
    x = 25,178,098,300,819.86/5,666,920.22
  6. Step 6: Final answer
    x = 4,442,995.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.