Home / 1,812,212.14-2,500,612.05-1,123,632.81

Finding the Fourth Proportional to 1,812,212.14, 2,500,612.05 and 1,123,632.81

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Solution

The fourth proportional to 1,812,212.14, 2,500,612.05 and 1,123,632.81 is: 1,550,464.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,212.14 : 2,500,612.05 = 1,123,632.81 : x
  2. Step 2: Convert to fraction form
    1,812,212.14/2,500,612.05 = 1,123,632.81/x
  3. Step 3: Cross multiply
    1,812,212.14x = 2,500,612.05 × 1,123,632.81
  4. Step 4: Simplify right side
    1,812,212.14x = 2,809,769,748,674.98
  5. Step 5: Solve for x
    x = 2,809,769,748,674.98/1,812,212.14
  6. Step 6: Final answer
    x = 1,550,464.04

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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.