Home / 2,672,118.99-3,690,588.76-1,758,427.12

Finding the Fourth Proportional to 2,672,118.99, 3,690,588.76 and 1,758,427.12

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Solution

The fourth proportional to 2,672,118.99, 3,690,588.76 and 1,758,427.12 is: 2,428,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,118.99 : 3,690,588.76 = 1,758,427.12 : x
  2. Step 2: Convert to fraction form
    2,672,118.99/3,690,588.76 = 1,758,427.12/x
  3. Step 3: Cross multiply
    2,672,118.99x = 3,690,588.76 × 1,758,427.12
  4. Step 4: Simplify right side
    2,672,118.99x = 6,489,631,350,728.63
  5. Step 5: Solve for x
    x = 6,489,631,350,728.63/2,672,118.99
  6. Step 6: Final answer
    x = 2,428,646.10

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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.