Home / 2,217,698.60-3,320,327.10-2,155,490.60

Finding the Fourth Proportional to 2,217,698.60, 3,320,327.10 and 2,155,490.60

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Solution

The fourth proportional to 2,217,698.60, 3,320,327.10 and 2,155,490.60 is: 3,227,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,698.60 : 3,320,327.10 = 2,155,490.60 : x
  2. Step 2: Convert to fraction form
    2,217,698.60/3,320,327.10 = 2,155,490.60/x
  3. Step 3: Cross multiply
    2,217,698.60x = 3,320,327.10 × 2,155,490.60
  4. Step 4: Simplify right side
    2,217,698.60x = 7,156,933,852,975.26
  5. Step 5: Solve for x
    x = 7,156,933,852,975.26/2,217,698.60
  6. Step 6: Final answer
    x = 3,227,189.60

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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.