Home / 2,136,309.86-2,948,107.40-1,169,440.82

Finding the Fourth Proportional to 2,136,309.86, 2,948,107.40 and 1,169,440.82

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Solution

The fourth proportional to 2,136,309.86, 2,948,107.40 and 1,169,440.82 is: 1,613,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,309.86 : 2,948,107.40 = 1,169,440.82 : x
  2. Step 2: Convert to fraction form
    2,136,309.86/2,948,107.40 = 1,169,440.82/x
  3. Step 3: Cross multiply
    2,136,309.86x = 2,948,107.40 × 1,169,440.82
  4. Step 4: Simplify right side
    2,136,309.86x = 3,447,637,135,304.07
  5. Step 5: Solve for x
    x = 3,447,637,135,304.07/2,136,309.86
  6. Step 6: Final answer
    x = 1,613,828.22

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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.