Home / 6,445,500.89-9,668,253.76-1,653,189.75

Finding the Fourth Proportional to 6,445,500.89, 9,668,253.76 and 1,653,189.75

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Solution

The fourth proportional to 6,445,500.89, 9,668,253.76 and 1,653,189.75 is: 2,479,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445,500.89 : 9,668,253.76 = 1,653,189.75 : x
  2. Step 2: Convert to fraction form
    6,445,500.89/9,668,253.76 = 1,653,189.75/x
  3. Step 3: Cross multiply
    6,445,500.89x = 9,668,253.76 × 1,653,189.75
  4. Step 4: Simplify right side
    6,445,500.89x = 15,983,458,012,297.99
  5. Step 5: Solve for x
    x = 15,983,458,012,297.99/6,445,500.89
  6. Step 6: Final answer
    x = 2,479,785.25

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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.