Home / 2,191,567.60-3,288,528.60-1,069,636.60

Finding the Fourth Proportional to 2,191,567.60, 3,288,528.60 and 1,069,636.60

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Solution

The fourth proportional to 2,191,567.60, 3,288,528.60 and 1,069,636.60 is: 1,605,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,567.60 : 3,288,528.60 = 1,069,636.60 : x
  2. Step 2: Convert to fraction form
    2,191,567.60/3,288,528.60 = 1,069,636.60/x
  3. Step 3: Cross multiply
    2,191,567.60x = 3,288,528.60 × 1,069,636.60
  4. Step 4: Simplify right side
    2,191,567.60x = 3,517,530,550,706.76
  5. Step 5: Solve for x
    x = 3,517,530,550,706.76/2,191,567.60
  6. Step 6: Final answer
    x = 1,605,029.46

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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.