Home / 2,288,678.22-3,430,624.32-771,837.12

Finding the Fourth Proportional to 2,288,678.22, 3,430,624.32 and 771,837.12

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Solution

The fourth proportional to 2,288,678.22, 3,430,624.32 and 771,837.12 is: 1,156,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288,678.22 : 3,430,624.32 = 771,837.12 : x
  2. Step 2: Convert to fraction form
    2,288,678.22/3,430,624.32 = 771,837.12/x
  3. Step 3: Cross multiply
    2,288,678.22x = 3,430,624.32 × 771,837.12
  4. Step 4: Simplify right side
    2,288,678.22x = 2,647,883,194,950.76
  5. Step 5: Solve for x
    x = 2,647,883,194,950.76/2,288,678.22
  6. Step 6: Final answer
    x = 1,156,948.66

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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.