Home / 3,905,952.94-5,390,437.26-2,187,058.42

Finding the Fourth Proportional to 3,905,952.94, 5,390,437.26 and 2,187,058.42

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Solution

The fourth proportional to 3,905,952.94, 5,390,437.26 and 2,187,058.42 is: 3,018,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905,952.94 : 5,390,437.26 = 2,187,058.42 : x
  2. Step 2: Convert to fraction form
    3,905,952.94/5,390,437.26 = 2,187,058.42/x
  3. Step 3: Cross multiply
    3,905,952.94x = 5,390,437.26 × 2,187,058.42
  4. Step 4: Simplify right side
    3,905,952.94x = 11,789,201,199,602.04
  5. Step 5: Solve for x
    x = 11,789,201,199,602.04/3,905,952.94
  6. Step 6: Final answer
    x = 3,018,265.04

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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.