Home / 4,890,905.20-7,336,357.80-2,499,420.70

Finding the Fourth Proportional to 4,890,905.20, 7,336,357.80 and 2,499,420.70

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Solution

The fourth proportional to 4,890,905.20, 7,336,357.80 and 2,499,420.70 is: 3,749,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,905.20 : 7,336,357.80 = 2,499,420.70 : x
  2. Step 2: Convert to fraction form
    4,890,905.20/7,336,357.80 = 2,499,420.70/x
  3. Step 3: Cross multiply
    4,890,905.20x = 7,336,357.80 × 2,499,420.70
  4. Step 4: Simplify right side
    4,890,905.20x = 18,336,644,547,926.46
  5. Step 5: Solve for x
    x = 18,336,644,547,926.46/4,890,905.20
  6. Step 6: Final answer
    x = 3,749,131.05

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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.