Home / 6,986,518.06-10,479,776.28-1,937,828.56

Finding the Fourth Proportional to 6,986,518.06, 10,479,776.28 and 1,937,828.56

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Solution

The fourth proportional to 6,986,518.06, 10,479,776.28 and 1,937,828.56 is: 2,906,742.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986,518.06 : 10,479,776.28 = 1,937,828.56 : x
  2. Step 2: Convert to fraction form
    6,986,518.06/10,479,776.28 = 1,937,828.56/x
  3. Step 3: Cross multiply
    6,986,518.06x = 10,479,776.28 × 1,937,828.56
  4. Step 4: Simplify right side
    6,986,518.06x = 20,308,009,777,794.55
  5. Step 5: Solve for x
    x = 20,308,009,777,794.55/6,986,518.06
  6. Step 6: Final answer
    x = 2,906,742.62

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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.