Home / 2,810,808.17-3,878,916.57-1,521,648.56

Finding the Fourth Proportional to 2,810,808.17, 3,878,916.57 and 1,521,648.56

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Solution

The fourth proportional to 2,810,808.17, 3,878,916.57 and 1,521,648.56 is: 2,099,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,808.17 : 3,878,916.57 = 1,521,648.56 : x
  2. Step 2: Convert to fraction form
    2,810,808.17/3,878,916.57 = 1,521,648.56/x
  3. Step 3: Cross multiply
    2,810,808.17x = 3,878,916.57 × 1,521,648.56
  4. Step 4: Simplify right side
    2,810,808.17x = 5,902,347,793,706.06
  5. Step 5: Solve for x
    x = 5,902,347,793,706.06/2,810,808.17
  6. Step 6: Final answer
    x = 2,099,875.71

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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.