Home / 4,890,913.70-7,336,370.55-2,499,429.20

Finding the Fourth Proportional to 4,890,913.70, 7,336,370.55 and 2,499,429.20

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Solution

The fourth proportional to 4,890,913.70, 7,336,370.55 and 2,499,429.20 is: 3,749,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,913.70 : 7,336,370.55 = 2,499,429.20 : x
  2. Step 2: Convert to fraction form
    4,890,913.70/7,336,370.55 = 2,499,429.20/x
  3. Step 3: Cross multiply
    4,890,913.70x = 7,336,370.55 × 2,499,429.20
  4. Step 4: Simplify right side
    4,890,913.70x = 18,336,738,774,690.06
  5. Step 5: Solve for x
    x = 18,336,738,774,690.06/4,890,913.70
  6. Step 6: Final answer
    x = 3,749,143.80

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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.