Home / 1,867,834.98-2,786,275.44-1,812,771.78

Finding the Fourth Proportional to 1,867,834.98, 2,786,275.44 and 1,812,771.78

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Solution

The fourth proportional to 1,867,834.98, 2,786,275.44 and 1,812,771.78 is: 2,704,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,834.98 : 2,786,275.44 = 1,812,771.78 : x
  2. Step 2: Convert to fraction form
    1,867,834.98/2,786,275.44 = 1,812,771.78/x
  3. Step 3: Cross multiply
    1,867,834.98x = 2,786,275.44 × 1,812,771.78
  4. Step 4: Simplify right side
    1,867,834.98x = 5,050,881,488,939.08
  5. Step 5: Solve for x
    x = 5,050,881,488,939.08/1,867,834.98
  6. Step 6: Final answer
    x = 2,704,136.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.