Home / 2,879,378.91-4,319,298-986,136.75

Finding the Fourth Proportional to 2,879,378.91, 4,319,298 and 986,136.75

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Solution

The fourth proportional to 2,879,378.91, 4,319,298 and 986,136.75 is: 1,479,283.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,378.91 : 4,319,298 = 986,136.75 : x
  2. Step 2: Convert to fraction form
    2,879,378.91/4,319,298 = 986,136.75/x
  3. Step 3: Cross multiply
    2,879,378.91x = 4,319,298 × 986,136.75
  4. Step 4: Simplify right side
    2,879,378.91x = 4,259,418,492,001.50
  5. Step 5: Solve for x
    x = 4,259,418,492,001.50/2,879,378.91
  6. Step 6: Final answer
    x = 1,479,283.77

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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.