Home / 2,160,962.90-2,982,688.97-1,243,286.04

Finding the Fourth Proportional to 2,160,962.90, 2,982,688.97 and 1,243,286.04

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Solution

The fourth proportional to 2,160,962.90, 2,982,688.97 and 1,243,286.04 is: 1,716,057.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,962.90 : 2,982,688.97 = 1,243,286.04 : x
  2. Step 2: Convert to fraction form
    2,160,962.90/2,982,688.97 = 1,243,286.04/x
  3. Step 3: Cross multiply
    2,160,962.90x = 2,982,688.97 × 1,243,286.04
  4. Step 4: Simplify right side
    2,160,962.90x = 3,708,335,551,846.55
  5. Step 5: Solve for x
    x = 3,708,335,551,846.55/2,160,962.90
  6. Step 6: Final answer
    x = 1,716,057.02

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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.