Home / 2,109,044.53-2,910,465.93-1,142,152.39

Finding the Fourth Proportional to 2,109,044.53, 2,910,465.93 and 1,142,152.39

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Solution

The fourth proportional to 2,109,044.53, 2,910,465.93 and 1,142,152.39 is: 1,576,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,044.53 : 2,910,465.93 = 1,142,152.39 : x
  2. Step 2: Convert to fraction form
    2,109,044.53/2,910,465.93 = 1,142,152.39/x
  3. Step 3: Cross multiply
    2,109,044.53x = 2,910,465.93 × 1,142,152.39
  4. Step 4: Simplify right side
    2,109,044.53x = 3,324,195,617,963.07
  5. Step 5: Solve for x
    x = 3,324,195,617,963.07/2,109,044.53
  6. Step 6: Final answer
    x = 1,576,161.89

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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.