Home / 2,589,438.11-3,573,637.34-1,428,111.51

Finding the Fourth Proportional to 2,589,438.11, 3,573,637.34 and 1,428,111.51

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Solution

The fourth proportional to 2,589,438.11, 3,573,637.34 and 1,428,111.51 is: 1,970,911.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,438.11 : 3,573,637.34 = 1,428,111.51 : x
  2. Step 2: Convert to fraction form
    2,589,438.11/3,573,637.34 = 1,428,111.51/x
  3. Step 3: Cross multiply
    2,589,438.11x = 3,573,637.34 × 1,428,111.51
  4. Step 4: Simplify right side
    2,589,438.11x = 5,103,552,617,819.78
  5. Step 5: Solve for x
    x = 5,103,552,617,819.78/2,589,438.11
  6. Step 6: Final answer
    x = 1,970,911.22

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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.