Home / 1,819,921.20-2,719,220.96-1,756,274.72

Finding the Fourth Proportional to 1,819,921.20, 2,719,220.96 and 1,756,274.72

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Solution

The fourth proportional to 1,819,921.20, 2,719,220.96 and 1,756,274.72 is: 2,624,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,921.20 : 2,719,220.96 = 1,756,274.72 : x
  2. Step 2: Convert to fraction form
    1,819,921.20/2,719,220.96 = 1,756,274.72/x
  3. Step 3: Cross multiply
    1,819,921.20x = 2,719,220.96 × 1,756,274.72
  4. Step 4: Simplify right side
    1,819,921.20x = 4,775,699,007,764.65
  5. Step 5: Solve for x
    x = 4,775,699,007,764.65/1,819,921.20
  6. Step 6: Final answer
    x = 2,624,124.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.