Home / 2,639,233.80-3,642,184.98-1,432,009.80

Finding the Fourth Proportional to 2,639,233.80, 3,642,184.98 and 1,432,009.80

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Solution

The fourth proportional to 2,639,233.80, 3,642,184.98 and 1,432,009.80 is: 1,976,196.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,233.80 : 3,642,184.98 = 1,432,009.80 : x
  2. Step 2: Convert to fraction form
    2,639,233.80/3,642,184.98 = 1,432,009.80/x
  3. Step 3: Cross multiply
    2,639,233.80x = 3,642,184.98 × 1,432,009.80
  4. Step 4: Simplify right side
    2,639,233.80x = 5,215,644,584,772.80
  5. Step 5: Solve for x
    x = 5,215,644,584,772.80/2,639,233.80
  6. Step 6: Final answer
    x = 1,976,196.49

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1.5x scale

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.