Home / 2,580,118.20-3,866,501.88-1,900,857.60

Finding the Fourth Proportional to 2,580,118.20, 3,866,501.88 and 1,900,857.60

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Solution

The fourth proportional to 2,580,118.20, 3,866,501.88 and 1,900,857.60 is: 2,848,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,118.20 : 3,866,501.88 = 1,900,857.60 : x
  2. Step 2: Convert to fraction form
    2,580,118.20/3,866,501.88 = 1,900,857.60/x
  3. Step 3: Cross multiply
    2,580,118.20x = 3,866,501.88 × 1,900,857.60
  4. Step 4: Simplify right side
    2,580,118.20x = 7,349,669,484,012.29
  5. Step 5: Solve for x
    x = 7,349,669,484,012.29/2,580,118.20
  6. Step 6: Final answer
    x = 2,848,578.60

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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.