Home / 2,915,730.30-4,373,595.45-1,855,472.70

Finding the Fourth Proportional to 2,915,730.30, 4,373,595.45 and 1,855,472.70

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Solution

The fourth proportional to 2,915,730.30, 4,373,595.45 and 1,855,472.70 is: 2,783,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,730.30 : 4,373,595.45 = 1,855,472.70 : x
  2. Step 2: Convert to fraction form
    2,915,730.30/4,373,595.45 = 1,855,472.70/x
  3. Step 3: Cross multiply
    2,915,730.30x = 4,373,595.45 × 1,855,472.70
  4. Step 4: Simplify right side
    2,915,730.30x = 8,115,086,958,319.22
  5. Step 5: Solve for x
    x = 8,115,086,958,319.22/2,915,730.30
  6. Step 6: Final answer
    x = 2,783,209.05

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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.