Home / 2,074,916.35-3,112,646.67-812,579.95

Finding the Fourth Proportional to 2,074,916.35, 3,112,646.67 and 812,579.95

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Solution

The fourth proportional to 2,074,916.35, 3,112,646.67 and 812,579.95 is: 1,218,976.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,916.35 : 3,112,646.67 = 812,579.95 : x
  2. Step 2: Convert to fraction form
    2,074,916.35/3,112,646.67 = 812,579.95/x
  3. Step 3: Cross multiply
    2,074,916.35x = 3,112,646.67 × 812,579.95
  4. Step 4: Simplify right side
    2,074,916.35x = 2,529,274,275,476.27
  5. Step 5: Solve for x
    x = 2,529,274,275,476.27/2,074,916.35
  6. Step 6: Final answer
    x = 1,218,976.50

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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.