Home / 2,808,859.53-4,212,934.19-889,965.45

Finding the Fourth Proportional to 2,808,859.53, 4,212,934.19 and 889,965.45

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Solution

The fourth proportional to 2,808,859.53, 4,212,934.19 and 889,965.45 is: 1,334,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,859.53 : 4,212,934.19 = 889,965.45 : x
  2. Step 2: Convert to fraction form
    2,808,859.53/4,212,934.19 = 889,965.45/x
  3. Step 3: Cross multiply
    2,808,859.53x = 4,212,934.19 × 889,965.45
  4. Step 4: Simplify right side
    2,808,859.53x = 3,749,365,872,223.74
  5. Step 5: Solve for x
    x = 3,749,365,872,223.74/2,808,859.53
  6. Step 6: Final answer
    x = 1,334,835.66

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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.