Home / 2,971,519.20-4,457,278.80-727,657.20

Finding the Fourth Proportional to 2,971,519.20, 4,457,278.80 and 727,657.20

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Solution

The fourth proportional to 2,971,519.20, 4,457,278.80 and 727,657.20 is: 1,091,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971,519.20 : 4,457,278.80 = 727,657.20 : x
  2. Step 2: Convert to fraction form
    2,971,519.20/4,457,278.80 = 727,657.20/x
  3. Step 3: Cross multiply
    2,971,519.20x = 4,457,278.80 × 727,657.20
  4. Step 4: Simplify right side
    2,971,519.20x = 3,243,371,011,227.36
  5. Step 5: Solve for x
    x = 3,243,371,011,227.36/2,971,519.20
  6. Step 6: Final answer
    x = 1,091,485.80

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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.