Home / 2,128,221.40-3,192,332.10-2,044,240.60

Finding the Fourth Proportional to 2,128,221.40, 3,192,332.10 and 2,044,240.60

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Solution

The fourth proportional to 2,128,221.40, 3,192,332.10 and 2,044,240.60 is: 3,066,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,221.40 : 3,192,332.10 = 2,044,240.60 : x
  2. Step 2: Convert to fraction form
    2,128,221.40/3,192,332.10 = 2,044,240.60/x
  3. Step 3: Cross multiply
    2,128,221.40x = 3,192,332.10 × 2,044,240.60
  4. Step 4: Simplify right side
    2,128,221.40x = 6,525,894,887,503.26
  5. Step 5: Solve for x
    x = 6,525,894,887,503.26/2,128,221.40
  6. Step 6: Final answer
    x = 3,066,360.90

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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.