Home / 2,850,756.21-3,934,054.89-1,561,605.57

Finding the Fourth Proportional to 2,850,756.21, 3,934,054.89 and 1,561,605.57

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Solution

The fourth proportional to 2,850,756.21, 3,934,054.89 and 1,561,605.57 is: 2,155,021.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,756.21 : 3,934,054.89 = 1,561,605.57 : x
  2. Step 2: Convert to fraction form
    2,850,756.21/3,934,054.89 = 1,561,605.57/x
  3. Step 3: Cross multiply
    2,850,756.21x = 3,934,054.89 × 1,561,605.57
  4. Step 4: Simplify right side
    2,850,756.21x = 6,143,442,028,909.74
  5. Step 5: Solve for x
    x = 6,143,442,028,909.74/2,850,756.21
  6. Step 6: Final answer
    x = 2,155,021.89

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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.