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Finding the Fourth Proportional to 2,569,844.94, 3,854,417.49 and 676,427.82

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Solution

The fourth proportional to 2,569,844.94, 3,854,417.49 and 676,427.82 is: 1,014,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569,844.94 : 3,854,417.49 = 676,427.82 : x
  2. Step 2: Convert to fraction form
    2,569,844.94/3,854,417.49 = 676,427.82/x
  3. Step 3: Cross multiply
    2,569,844.94x = 3,854,417.49 × 676,427.82
  4. Step 4: Simplify right side
    2,569,844.94x = 2,607,235,220,130.57
  5. Step 5: Solve for x
    x = 2,607,235,220,130.57/2,569,844.94
  6. Step 6: Final answer
    x = 1,014,549.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.