Home / 2,166,244.80-2,989,528.32-1,199,481.84

Finding the Fourth Proportional to 2,166,244.80, 2,989,528.32 and 1,199,481.84

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Solution

The fourth proportional to 2,166,244.80, 2,989,528.32 and 1,199,481.84 is: 1,655,346.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,244.80 : 2,989,528.32 = 1,199,481.84 : x
  2. Step 2: Convert to fraction form
    2,166,244.80/2,989,528.32 = 1,199,481.84/x
  3. Step 3: Cross multiply
    2,166,244.80x = 2,989,528.32 × 1,199,481.84
  4. Step 4: Simplify right side
    2,166,244.80x = 3,585,884,930,005.71
  5. Step 5: Solve for x
    x = 3,585,884,930,005.71/2,166,244.80
  6. Step 6: Final answer
    x = 1,655,346.12

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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.