Home / 3,282,405.40-4,920,983.70-1,387,588.60

Finding the Fourth Proportional to 3,282,405.40, 4,920,983.70 and 1,387,588.60

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Solution

The fourth proportional to 3,282,405.40, 4,920,983.70 and 1,387,588.60 is: 2,080,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282,405.40 : 4,920,983.70 = 1,387,588.60 : x
  2. Step 2: Convert to fraction form
    3,282,405.40/4,920,983.70 = 1,387,588.60/x
  3. Step 3: Cross multiply
    3,282,405.40x = 4,920,983.70 × 1,387,588.60
  4. Step 4: Simplify right side
    3,282,405.40x = 6,828,300,882,905.82
  5. Step 5: Solve for x
    x = 6,828,300,882,905.82/3,282,405.40
  6. Step 6: Final answer
    x = 2,080,273.47

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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.