Home / 2,688,909.60-4,033,364.40-2,673,163.20

Finding the Fourth Proportional to 2,688,909.60, 4,033,364.40 and 2,673,163.20

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Solution

The fourth proportional to 2,688,909.60, 4,033,364.40 and 2,673,163.20 is: 4,009,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,909.60 : 4,033,364.40 = 2,673,163.20 : x
  2. Step 2: Convert to fraction form
    2,688,909.60/4,033,364.40 = 2,673,163.20/x
  3. Step 3: Cross multiply
    2,688,909.60x = 4,033,364.40 × 2,673,163.20
  4. Step 4: Simplify right side
    2,688,909.60x = 10,781,841,286,270.08
  5. Step 5: Solve for x
    x = 10,781,841,286,270.08/2,688,909.60
  6. Step 6: Final answer
    x = 4,009,744.80

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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.