Home / 5,078,036.81-7,618,285.86-2,920,442.85

Finding the Fourth Proportional to 5,078,036.81, 7,618,285.86 and 2,920,442.85

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Solution

The fourth proportional to 5,078,036.81, 7,618,285.86 and 2,920,442.85 is: 4,381,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,036.81 : 7,618,285.86 = 2,920,442.85 : x
  2. Step 2: Convert to fraction form
    5,078,036.81/7,618,285.86 = 2,920,442.85/x
  3. Step 3: Cross multiply
    5,078,036.81x = 7,618,285.86 × 2,920,442.85
  4. Step 4: Simplify right side
    5,078,036.81x = 22,248,768,474,568.93
  5. Step 5: Solve for x
    x = 22,248,768,474,568.93/5,078,036.81
  6. Step 6: Final answer
    x = 4,381,372.03

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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.