Home / 3,105,138.20-4,657,707.30-1,842,315.80

Finding the Fourth Proportional to 3,105,138.20, 4,657,707.30 and 1,842,315.80

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Solution

The fourth proportional to 3,105,138.20, 4,657,707.30 and 1,842,315.80 is: 2,763,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,138.20 : 4,657,707.30 = 1,842,315.80 : x
  2. Step 2: Convert to fraction form
    3,105,138.20/4,657,707.30 = 1,842,315.80/x
  3. Step 3: Cross multiply
    3,105,138.20x = 4,657,707.30 × 1,842,315.80
  4. Step 4: Simplify right side
    3,105,138.20x = 8,580,967,750,565.34
  5. Step 5: Solve for x
    x = 8,580,967,750,565.34/3,105,138.20
  6. Step 6: Final answer
    x = 2,763,473.70

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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.