Home / 2,171,838.78-3,240,123.48-2,054,265.66

Finding the Fourth Proportional to 2,171,838.78, 3,240,123.48 and 2,054,265.66

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Solution

The fourth proportional to 2,171,838.78, 3,240,123.48 and 2,054,265.66 is: 3,064,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,838.78 : 3,240,123.48 = 2,054,265.66 : x
  2. Step 2: Convert to fraction form
    2,171,838.78/3,240,123.48 = 2,054,265.66/x
  3. Step 3: Cross multiply
    2,171,838.78x = 3,240,123.48 × 2,054,265.66
  4. Step 4: Simplify right side
    2,171,838.78x = 6,656,074,399,123.70
  5. Step 5: Solve for x
    x = 6,656,074,399,123.70/2,171,838.78
  6. Step 6: Final answer
    x = 3,064,718.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.