Home / 2,149,395.66-2,966,165.90-1,182,505.20

Finding the Fourth Proportional to 2,149,395.66, 2,966,165.90 and 1,182,505.20

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Solution

The fourth proportional to 2,149,395.66, 2,966,165.90 and 1,182,505.20 is: 1,631,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,395.66 : 2,966,165.90 = 1,182,505.20 : x
  2. Step 2: Convert to fraction form
    2,149,395.66/2,966,165.90 = 1,182,505.20/x
  3. Step 3: Cross multiply
    2,149,395.66x = 2,966,165.90 × 1,182,505.20
  4. Step 4: Simplify right side
    2,149,395.66x = 3,507,506,602,315.57
  5. Step 5: Solve for x
    x = 3,507,506,602,315.57/2,149,395.66
  6. Step 6: Final answer
    x = 1,631,857.12

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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.