Home / 1,942,590.44-2,913,185.82-820,746.92

Finding the Fourth Proportional to 1,942,590.44, 2,913,185.82 and 820,746.92

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Solution

The fourth proportional to 1,942,590.44, 2,913,185.82 and 820,746.92 is: 1,230,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,590.44 : 2,913,185.82 = 820,746.92 : x
  2. Step 2: Convert to fraction form
    1,942,590.44/2,913,185.82 = 820,746.92/x
  3. Step 3: Cross multiply
    1,942,590.44x = 2,913,185.82 × 820,746.92
  4. Step 4: Simplify right side
    1,942,590.44x = 2,390,988,289,152.67
  5. Step 5: Solve for x
    x = 2,390,988,289,152.67/1,942,590.44
  6. Step 6: Final answer
    x = 1,230,824.70

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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.