Home / 3,070,390.78-4,236,947.49-1,693,750.42

Finding the Fourth Proportional to 3,070,390.78, 4,236,947.49 and 1,693,750.42

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Solution

The fourth proportional to 3,070,390.78, 4,236,947.49 and 1,693,750.42 is: 2,337,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070,390.78 : 4,236,947.49 = 1,693,750.42 : x
  2. Step 2: Convert to fraction form
    3,070,390.78/4,236,947.49 = 1,693,750.42/x
  3. Step 3: Cross multiply
    3,070,390.78x = 4,236,947.49 × 1,693,750.42
  4. Step 4: Simplify right side
    3,070,390.78x = 7,176,331,590,705.45
  5. Step 5: Solve for x
    x = 7,176,331,590,705.45/3,070,390.78
  6. Step 6: Final answer
    x = 2,337,269.78

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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.