Home / 2,943,288.45-4,061,830.23-1,781,947.71

Finding the Fourth Proportional to 2,943,288.45, 4,061,830.23 and 1,781,947.71

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Solution

The fourth proportional to 2,943,288.45, 4,061,830.23 and 1,781,947.71 is: 2,459,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943,288.45 : 4,061,830.23 = 1,781,947.71 : x
  2. Step 2: Convert to fraction form
    2,943,288.45/4,061,830.23 = 1,781,947.71/x
  3. Step 3: Cross multiply
    2,943,288.45x = 4,061,830.23 × 1,781,947.71
  4. Step 4: Simplify right side
    2,943,288.45x = 7,237,969,076,757.27
  5. Step 5: Solve for x
    x = 7,237,969,076,757.27/2,943,288.45
  6. Step 6: Final answer
    x = 2,459,143.64

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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.