Home / 1,947,809.10-2,921,713.65-1,200,276.30

Finding the Fourth Proportional to 1,947,809.10, 2,921,713.65 and 1,200,276.30

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Solution

The fourth proportional to 1,947,809.10, 2,921,713.65 and 1,200,276.30 is: 1,800,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,809.10 : 2,921,713.65 = 1,200,276.30 : x
  2. Step 2: Convert to fraction form
    1,947,809.10/2,921,713.65 = 1,200,276.30/x
  3. Step 3: Cross multiply
    1,947,809.10x = 2,921,713.65 × 1,200,276.30
  4. Step 4: Simplify right side
    1,947,809.10x = 3,506,863,649,481.50
  5. Step 5: Solve for x
    x = 3,506,863,649,481.50/1,947,809.10
  6. Step 6: Final answer
    x = 1,800,414.45

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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.