Home / 1,891,535.88-2,830,646.70-1,181,898.12

Finding the Fourth Proportional to 1,891,535.88, 2,830,646.70 and 1,181,898.12

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Solution

The fourth proportional to 1,891,535.88, 2,830,646.70 and 1,181,898.12 is: 1,768,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,535.88 : 2,830,646.70 = 1,181,898.12 : x
  2. Step 2: Convert to fraction form
    1,891,535.88/2,830,646.70 = 1,181,898.12/x
  3. Step 3: Cross multiply
    1,891,535.88x = 2,830,646.70 × 1,181,898.12
  4. Step 4: Simplify right side
    1,891,535.88x = 3,345,536,013,114.20
  5. Step 5: Solve for x
    x = 3,345,536,013,114.20/1,891,535.88
  6. Step 6: Final answer
    x = 1,768,687.58

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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.