Home / 2,068,276.80-3,102,512.40-648,379.20

Finding the Fourth Proportional to 2,068,276.80, 3,102,512.40 and 648,379.20

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Solution

The fourth proportional to 2,068,276.80, 3,102,512.40 and 648,379.20 is: 972,599.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,276.80 : 3,102,512.40 = 648,379.20 : x
  2. Step 2: Convert to fraction form
    2,068,276.80/3,102,512.40 = 648,379.20/x
  3. Step 3: Cross multiply
    2,068,276.80x = 3,102,512.40 × 648,379.20
  4. Step 4: Simplify right side
    2,068,276.80x = 2,011,604,507,902.08
  5. Step 5: Solve for x
    x = 2,011,604,507,902.08/2,068,276.80
  6. Step 6: Final answer
    x = 972,599.27

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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.