Home / 4,979,207.20-7,468,810.80-2,459,783.20

Finding the Fourth Proportional to 4,979,207.20, 7,468,810.80 and 2,459,783.20

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Solution

The fourth proportional to 4,979,207.20, 7,468,810.80 and 2,459,783.20 is: 3,689,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979,207.20 : 7,468,810.80 = 2,459,783.20 : x
  2. Step 2: Convert to fraction form
    4,979,207.20/7,468,810.80 = 2,459,783.20/x
  3. Step 3: Cross multiply
    4,979,207.20x = 7,468,810.80 × 2,459,783.20
  4. Step 4: Simplify right side
    4,979,207.20x = 18,371,655,329,818.56
  5. Step 5: Solve for x
    x = 18,371,655,329,818.56/4,979,207.20
  6. Step 6: Final answer
    x = 3,689,674.80

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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.