Home / 1,775,140.90-2,662,711.35-1,491,705.70

Finding the Fourth Proportional to 1,775,140.90, 2,662,711.35 and 1,491,705.70

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Solution

The fourth proportional to 1,775,140.90, 2,662,711.35 and 1,491,705.70 is: 2,237,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,140.90 : 2,662,711.35 = 1,491,705.70 : x
  2. Step 2: Convert to fraction form
    1,775,140.90/2,662,711.35 = 1,491,705.70/x
  3. Step 3: Cross multiply
    1,775,140.90x = 2,662,711.35 × 1,491,705.70
  4. Step 4: Simplify right side
    1,775,140.90x = 3,971,981,698,249.70
  5. Step 5: Solve for x
    x = 3,971,981,698,249.70/1,775,140.90
  6. Step 6: Final answer
    x = 2,237,558.55

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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.