Home / 1,983,177.89-2,974,767.80-1,309,101.65

Finding the Fourth Proportional to 1,983,177.89, 2,974,767.80 and 1,309,101.65

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Solution

The fourth proportional to 1,983,177.89, 2,974,767.80 and 1,309,101.65 is: 1,963,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,177.89 : 2,974,767.80 = 1,309,101.65 : x
  2. Step 2: Convert to fraction form
    1,983,177.89/2,974,767.80 = 1,309,101.65/x
  3. Step 3: Cross multiply
    1,983,177.89x = 2,974,767.80 × 1,309,101.65
  4. Step 4: Simplify right side
    1,983,177.89x = 3,894,273,413,927.52
  5. Step 5: Solve for x
    x = 3,894,273,413,927.52/1,983,177.89
  6. Step 6: Final answer
    x = 1,963,653.11

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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.