Home / 2,029,712.13-2,801,002.50-1,213,915.69

Finding the Fourth Proportional to 2,029,712.13, 2,801,002.50 and 1,213,915.69

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Solution

The fourth proportional to 2,029,712.13, 2,801,002.50 and 1,213,915.69 is: 1,675,203.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029,712.13 : 2,801,002.50 = 1,213,915.69 : x
  2. Step 2: Convert to fraction form
    2,029,712.13/2,801,002.50 = 1,213,915.69/x
  3. Step 3: Cross multiply
    2,029,712.13x = 2,801,002.50 × 1,213,915.69
  4. Step 4: Simplify right side
    2,029,712.13x = 3,400,180,875,476.72
  5. Step 5: Solve for x
    x = 3,400,180,875,476.72/2,029,712.13
  6. Step 6: Final answer
    x = 1,675,203.51

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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.