Home / 2,812,309.17-3,880,974.57-1,571,917.76

Finding the Fourth Proportional to 2,812,309.17, 3,880,974.57 and 1,571,917.76

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Solution

The fourth proportional to 2,812,309.17, 3,880,974.57 and 1,571,917.76 is: 2,169,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,309.17 : 3,880,974.57 = 1,571,917.76 : x
  2. Step 2: Convert to fraction form
    2,812,309.17/3,880,974.57 = 1,571,917.76/x
  3. Step 3: Cross multiply
    2,812,309.17x = 3,880,974.57 × 1,571,917.76
  4. Step 4: Simplify right side
    2,812,309.17x = 6,100,572,852,691.36
  5. Step 5: Solve for x
    x = 6,100,572,852,691.36/2,812,309.17
  6. Step 6: Final answer
    x = 2,169,239.75

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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.