Home / 1,872,166.08-2,805,703.68-791,780.16

Finding the Fourth Proportional to 1,872,166.08, 2,805,703.68 and 791,780.16

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Solution

The fourth proportional to 1,872,166.08, 2,805,703.68 and 791,780.16 is: 1,186,593.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,166.08 : 2,805,703.68 = 791,780.16 : x
  2. Step 2: Convert to fraction form
    1,872,166.08/2,805,703.68 = 791,780.16/x
  3. Step 3: Cross multiply
    1,872,166.08x = 2,805,703.68 × 791,780.16
  4. Step 4: Simplify right side
    1,872,166.08x = 2,221,500,508,662.99
  5. Step 5: Solve for x
    x = 2,221,500,508,662.99/1,872,166.08
  6. Step 6: Final answer
    x = 1,186,593.72

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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.