Home / 3,187,011.89-4,780,511.15-998,749.50

Finding the Fourth Proportional to 3,187,011.89, 4,780,511.15 and 998,749.50

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Solution

The fourth proportional to 3,187,011.89, 4,780,511.15 and 998,749.50 is: 1,498,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,011.89 : 4,780,511.15 = 998,749.50 : x
  2. Step 2: Convert to fraction form
    3,187,011.89/4,780,511.15 = 998,749.50/x
  3. Step 3: Cross multiply
    3,187,011.89x = 4,780,511.15 × 998,749.50
  4. Step 4: Simplify right side
    3,187,011.89x = 4,774,533,115,813.18
  5. Step 5: Solve for x
    x = 4,774,533,115,813.18/3,187,011.89
  6. Step 6: Final answer
    x = 1,498,122.16

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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.