Home / 1,775,751.60-2,663,821.80-1,719,764.40

Finding the Fourth Proportional to 1,775,751.60, 2,663,821.80 and 1,719,764.40

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Solution

The fourth proportional to 1,775,751.60, 2,663,821.80 and 1,719,764.40 is: 2,579,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,751.60 : 2,663,821.80 = 1,719,764.40 : x
  2. Step 2: Convert to fraction form
    1,775,751.60/2,663,821.80 = 1,719,764.40/x
  3. Step 3: Cross multiply
    1,775,751.60x = 2,663,821.80 × 1,719,764.40
  4. Step 4: Simplify right side
    1,775,751.60x = 4,581,145,899,583.92
  5. Step 5: Solve for x
    x = 4,581,145,899,583.92/1,775,751.60
  6. Step 6: Final answer
    x = 2,579,834.87

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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.