Home / 3,115,061.20-4,663,260.60-1,852,238.80

Finding the Fourth Proportional to 3,115,061.20, 4,663,260.60 and 1,852,238.80

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Solution

The fourth proportional to 3,115,061.20, 4,663,260.60 and 1,852,238.80 is: 2,772,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,061.20 : 4,663,260.60 = 1,852,238.80 : x
  2. Step 2: Convert to fraction form
    3,115,061.20/4,663,260.60 = 1,852,238.80/x
  3. Step 3: Cross multiply
    3,115,061.20x = 4,663,260.60 × 1,852,238.80
  4. Step 4: Simplify right side
    3,115,061.20x = 8,637,472,217,831.28
  5. Step 5: Solve for x
    x = 8,637,472,217,831.28/3,115,061.20
  6. Step 6: Final answer
    x = 2,772,809.80

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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.