Home / 4,012,018.65-6,018,007.05-979,400.52

Finding the Fourth Proportional to 4,012,018.65, 6,018,007.05 and 979,400.52

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Solution

The fourth proportional to 4,012,018.65, 6,018,007.05 and 979,400.52 is: 1,469,095.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012,018.65 : 6,018,007.05 = 979,400.52 : x
  2. Step 2: Convert to fraction form
    4,012,018.65/6,018,007.05 = 979,400.52/x
  3. Step 3: Cross multiply
    4,012,018.65x = 6,018,007.05 × 979,400.52
  4. Step 4: Simplify right side
    4,012,018.65x = 5,894,039,234,133.67
  5. Step 5: Solve for x
    x = 5,894,039,234,133.67/4,012,018.65
  6. Step 6: Final answer
    x = 1,469,095.67

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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.