Home / 3,508,588.12-5,262,879.10-1,320,566.55

Finding the Fourth Proportional to 3,508,588.12, 5,262,879.10 and 1,320,566.55

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Solution

The fourth proportional to 3,508,588.12, 5,262,879.10 and 1,320,566.55 is: 1,980,848.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508,588.12 : 5,262,879.10 = 1,320,566.55 : x
  2. Step 2: Convert to fraction form
    3,508,588.12/5,262,879.10 = 1,320,566.55/x
  3. Step 3: Cross multiply
    3,508,588.12x = 5,262,879.10 × 1,320,566.55
  4. Step 4: Simplify right side
    3,508,588.12x = 6,949,982,096,154.11
  5. Step 5: Solve for x
    x = 6,949,982,096,154.11/3,508,588.12
  6. Step 6: Final answer
    x = 1,980,848.67

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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.