Home / 2,079,915.75-3,119,479.07-1,013,885.67

Finding the Fourth Proportional to 2,079,915.75, 3,119,479.07 and 1,013,885.67

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Solution

The fourth proportional to 2,079,915.75, 3,119,479.07 and 1,013,885.67 is: 1,520,636.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,915.75 : 3,119,479.07 = 1,013,885.67 : x
  2. Step 2: Convert to fraction form
    2,079,915.75/3,119,479.07 = 1,013,885.67/x
  3. Step 3: Cross multiply
    2,079,915.75x = 3,119,479.07 × 1,013,885.67
  4. Step 4: Simplify right side
    2,079,915.75x = 3,162,795,121,868.50
  5. Step 5: Solve for x
    x = 3,162,795,121,868.50/2,079,915.75
  6. Step 6: Final answer
    x = 1,520,636.17

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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.