Home / 2,513,105.20-3,769,657.80-1,556,511.40

Finding the Fourth Proportional to 2,513,105.20, 3,769,657.80 and 1,556,511.40

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Solution

The fourth proportional to 2,513,105.20, 3,769,657.80 and 1,556,511.40 is: 2,334,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513,105.20 : 3,769,657.80 = 1,556,511.40 : x
  2. Step 2: Convert to fraction form
    2,513,105.20/3,769,657.80 = 1,556,511.40/x
  3. Step 3: Cross multiply
    2,513,105.20x = 3,769,657.80 × 1,556,511.40
  4. Step 4: Simplify right side
    2,513,105.20x = 5,867,515,339,798.92
  5. Step 5: Solve for x
    x = 5,867,515,339,798.92/2,513,105.20
  6. Step 6: Final answer
    x = 2,334,767.10

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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.