Home / 2,812,214.03-4,218,539.76-919,146.83

Finding the Fourth Proportional to 2,812,214.03, 4,218,539.76 and 919,146.83

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Solution

The fourth proportional to 2,812,214.03, 4,218,539.76 and 919,146.83 is: 1,378,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,214.03 : 4,218,539.76 = 919,146.83 : x
  2. Step 2: Convert to fraction form
    2,812,214.03/4,218,539.76 = 919,146.83/x
  3. Step 3: Cross multiply
    2,812,214.03x = 4,218,539.76 × 919,146.83
  4. Step 4: Simplify right side
    2,812,214.03x = 3,877,457,426,540.26
  5. Step 5: Solve for x
    x = 3,877,457,426,540.26/2,812,214.03
  6. Step 6: Final answer
    x = 1,378,791.72

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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.