Home / 3,175,947.11-4,382,798.06-1,725,647.78

Finding the Fourth Proportional to 3,175,947.11, 4,382,798.06 and 1,725,647.78

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Solution

The fourth proportional to 3,175,947.11, 4,382,798.06 and 1,725,647.78 is: 2,381,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,947.11 : 4,382,798.06 = 1,725,647.78 : x
  2. Step 2: Convert to fraction form
    3,175,947.11/4,382,798.06 = 1,725,647.78/x
  3. Step 3: Cross multiply
    3,175,947.11x = 4,382,798.06 × 1,725,647.78
  4. Step 4: Simplify right side
    3,175,947.11x = 7,563,165,711,885.08
  5. Step 5: Solve for x
    x = 7,563,165,711,885.08/3,175,947.11
  6. Step 6: Final answer
    x = 2,381,389.07

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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.