Home / 3,119,878.50-4,679,225.91-1,520,833.38

Finding the Fourth Proportional to 3,119,878.50, 4,679,225.91 and 1,520,833.38

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Solution

The fourth proportional to 3,119,878.50, 4,679,225.91 and 1,520,833.38 is: 2,280,961.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,878.50 : 4,679,225.91 = 1,520,833.38 : x
  2. Step 2: Convert to fraction form
    3,119,878.50/4,679,225.91 = 1,520,833.38/x
  3. Step 3: Cross multiply
    3,119,878.50x = 4,679,225.91 × 1,520,833.38
  4. Step 4: Simplify right side
    3,119,878.50x = 7,116,322,956,488.88
  5. Step 5: Solve for x
    x = 7,116,322,956,488.88/3,119,878.50
  6. Step 6: Final answer
    x = 2,280,961.57

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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.