Home / 2,068,212.40-3,102,610.20-648,120.40

Finding the Fourth Proportional to 2,068,212.40, 3,102,610.20 and 648,120.40

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Solution

The fourth proportional to 2,068,212.40, 3,102,610.20 and 648,120.40 is: 972,271.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,212.40 : 3,102,610.20 = 648,120.40 : x
  2. Step 2: Convert to fraction form
    2,068,212.40/3,102,610.20 = 648,120.40/x
  3. Step 3: Cross multiply
    2,068,212.40x = 3,102,610.20 × 648,120.40
  4. Step 4: Simplify right side
    2,068,212.40x = 2,010,864,963,868.08
  5. Step 5: Solve for x
    x = 2,010,864,963,868.08/2,068,212.40
  6. Step 6: Final answer
    x = 972,271.98

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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.