Home / 2,077,159.80-3,115,448.10-657,359.40

Finding the Fourth Proportional to 2,077,159.80, 3,115,448.10 and 657,359.40

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Solution

The fourth proportional to 2,077,159.80, 3,115,448.10 and 657,359.40 is: 985,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,159.80 : 3,115,448.10 = 657,359.40 : x
  2. Step 2: Convert to fraction form
    2,077,159.80/3,115,448.10 = 657,359.40/x
  3. Step 3: Cross multiply
    2,077,159.80x = 3,115,448.10 × 657,359.40
  4. Step 4: Simplify right side
    2,077,159.80x = 2,047,969,093,747.14
  5. Step 5: Solve for x
    x = 2,047,969,093,747.14/2,077,159.80
  6. Step 6: Final answer
    x = 985,946.82

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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.