Home / 1,857,101.80-2,561,711.96-1,167,681.02

Finding the Fourth Proportional to 1,857,101.80, 2,561,711.96 and 1,167,681.02

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Solution

The fourth proportional to 1,857,101.80, 2,561,711.96 and 1,167,681.02 is: 1,610,715.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,101.80 : 2,561,711.96 = 1,167,681.02 : x
  2. Step 2: Convert to fraction form
    1,857,101.80/2,561,711.96 = 1,167,681.02/x
  3. Step 3: Cross multiply
    1,857,101.80x = 2,561,711.96 × 1,167,681.02
  4. Step 4: Simplify right side
    1,857,101.80x = 2,991,262,434,399.00
  5. Step 5: Solve for x
    x = 2,991,262,434,399.00/1,857,101.80
  6. Step 6: Final answer
    x = 1,610,715.38

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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.