Home / 3,178,170-4,385,874.60-1,747,386

Finding the Fourth Proportional to 3,178,170, 4,385,874.60 and 1,747,386

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Solution

The fourth proportional to 3,178,170, 4,385,874.60 and 1,747,386 is: 2,411,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,170 : 4,385,874.60 = 1,747,386 : x
  2. Step 2: Convert to fraction form
    3,178,170/4,385,874.60 = 1,747,386/x
  3. Step 3: Cross multiply
    3,178,170x = 4,385,874.60 × 1,747,386
  4. Step 4: Simplify right side
    3,178,170x = 7,663,815,873,795.60
  5. Step 5: Solve for x
    x = 7,663,815,873,795.60/3,178,170
  6. Step 6: Final answer
    x = 2,411,392.68

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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.