Home / 1,910,998.20-2,866,940.10-648,825.78

Finding the Fourth Proportional to 1,910,998.20, 2,866,940.10 and 648,825.78

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Solution

The fourth proportional to 1,910,998.20, 2,866,940.10 and 648,825.78 is: 973,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,998.20 : 2,866,940.10 = 648,825.78 : x
  2. Step 2: Convert to fraction form
    1,910,998.20/2,866,940.10 = 648,825.78/x
  3. Step 3: Cross multiply
    1,910,998.20x = 2,866,940.10 × 648,825.78
  4. Step 4: Simplify right side
    1,910,998.20x = 1,860,144,646,595.78
  5. Step 5: Solve for x
    x = 1,860,144,646,595.78/1,910,998.20
  6. Step 6: Final answer
    x = 973,389.01

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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.