Home / 1,918,910.66-2,648,137.98-1,059,525.22

Finding the Fourth Proportional to 1,918,910.66, 2,648,137.98 and 1,059,525.22

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Solution

The fourth proportional to 1,918,910.66, 2,648,137.98 and 1,059,525.22 is: 1,462,167.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,910.66 : 2,648,137.98 = 1,059,525.22 : x
  2. Step 2: Convert to fraction form
    1,918,910.66/2,648,137.98 = 1,059,525.22/x
  3. Step 3: Cross multiply
    1,918,910.66x = 2,648,137.98 × 1,059,525.22
  4. Step 4: Simplify right side
    1,918,910.66x = 2,805,768,975,849.86
  5. Step 5: Solve for x
    x = 2,805,768,975,849.86/1,918,910.66
  6. Step 6: Final answer
    x = 1,462,167.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.