Home / 2,690,615.76-4,035,807-668,816.88

Finding the Fourth Proportional to 2,690,615.76, 4,035,807 and 668,816.88

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Solution

The fourth proportional to 2,690,615.76, 4,035,807 and 668,816.88 is: 1,003,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,615.76 : 4,035,807 = 668,816.88 : x
  2. Step 2: Convert to fraction form
    2,690,615.76/4,035,807 = 668,816.88/x
  3. Step 3: Cross multiply
    2,690,615.76x = 4,035,807 × 668,816.88
  4. Step 4: Simplify right side
    2,690,615.76x = 2,699,215,846,022.16
  5. Step 5: Solve for x
    x = 2,699,215,846,022.16/2,690,615.76
  6. Step 6: Final answer
    x = 1,003,196.33

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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.