Home / 2,817,581.28-4,223,592-1,803,817.68

Finding the Fourth Proportional to 2,817,581.28, 4,223,592 and 1,803,817.68

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Solution

The fourth proportional to 2,817,581.28, 4,223,592 and 1,803,817.68 is: 2,703,946.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817,581.28 : 4,223,592 = 1,803,817.68 : x
  2. Step 2: Convert to fraction form
    2,817,581.28/4,223,592 = 1,803,817.68/x
  3. Step 3: Cross multiply
    2,817,581.28x = 4,223,592 × 1,803,817.68
  4. Step 4: Simplify right side
    2,817,581.28x = 7,618,589,922,706.56
  5. Step 5: Solve for x
    x = 7,618,589,922,706.56/2,817,581.28
  6. Step 6: Final answer
    x = 2,703,946.81

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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.