Home / 2,072,330.17-2,859,748.57-1,189,424.65

Finding the Fourth Proportional to 2,072,330.17, 2,859,748.57 and 1,189,424.65

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Solution

The fourth proportional to 2,072,330.17, 2,859,748.57 and 1,189,424.65 is: 1,641,367.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,330.17 : 2,859,748.57 = 1,189,424.65 : x
  2. Step 2: Convert to fraction form
    2,072,330.17/2,859,748.57 = 1,189,424.65/x
  3. Step 3: Cross multiply
    2,072,330.17x = 2,859,748.57 × 1,189,424.65
  4. Step 4: Simplify right side
    2,072,330.17x = 3,401,455,449,109.62
  5. Step 5: Solve for x
    x = 3,401,455,449,109.62/2,072,330.17
  6. Step 6: Final answer
    x = 1,641,367.53

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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.