Home / 3,146,774.76-4,718,860.83-987,079.50

Finding the Fourth Proportional to 3,146,774.76, 4,718,860.83 and 987,079.50

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Solution

The fourth proportional to 3,146,774.76, 4,718,860.83 and 987,079.50 is: 1,480,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,774.76 : 4,718,860.83 = 987,079.50 : x
  2. Step 2: Convert to fraction form
    3,146,774.76/4,718,860.83 = 987,079.50/x
  3. Step 3: Cross multiply
    3,146,774.76x = 4,718,860.83 × 987,079.50
  4. Step 4: Simplify right side
    3,146,774.76x = 4,657,890,788,645.99
  5. Step 5: Solve for x
    x = 4,657,890,788,645.99/3,146,774.76
  6. Step 6: Final answer
    x = 1,480,211.06

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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.