Home / 1,976,794.20-2,728,023.30-1,117,357.76

Finding the Fourth Proportional to 1,976,794.20, 2,728,023.30 and 1,117,357.76

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Solution

The fourth proportional to 1,976,794.20, 2,728,023.30 and 1,117,357.76 is: 1,541,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,794.20 : 2,728,023.30 = 1,117,357.76 : x
  2. Step 2: Convert to fraction form
    1,976,794.20/2,728,023.30 = 1,117,357.76/x
  3. Step 3: Cross multiply
    1,976,794.20x = 2,728,023.30 × 1,117,357.76
  4. Step 4: Simplify right side
    1,976,794.20x = 3,048,178,003,715.81
  5. Step 5: Solve for x
    x = 3,048,178,003,715.81/1,976,794.20
  6. Step 6: Final answer
    x = 1,541,980.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.