Home / 1,643,196.51-2,267,569.33-918,049.65

Finding the Fourth Proportional to 1,643,196.51, 2,267,569.33 and 918,049.65

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Solution

The fourth proportional to 1,643,196.51, 2,267,569.33 and 918,049.65 is: 1,266,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,196.51 : 2,267,569.33 = 918,049.65 : x
  2. Step 2: Convert to fraction form
    1,643,196.51/2,267,569.33 = 918,049.65/x
  3. Step 3: Cross multiply
    1,643,196.51x = 2,267,569.33 × 918,049.65
  4. Step 4: Simplify right side
    1,643,196.51x = 2,081,741,227,462.11
  5. Step 5: Solve for x
    x = 2,081,741,227,462.11/1,643,196.51
  6. Step 6: Final answer
    x = 1,266,885.13

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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.