Home / 3,937,848-5,434,232.40-2,127,012

Finding the Fourth Proportional to 3,937,848, 5,434,232.40 and 2,127,012

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Solution

The fourth proportional to 3,937,848, 5,434,232.40 and 2,127,012 is: 2,935,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,848 : 5,434,232.40 = 2,127,012 : x
  2. Step 2: Convert to fraction form
    3,937,848/5,434,232.40 = 2,127,012/x
  3. Step 3: Cross multiply
    3,937,848x = 5,434,232.40 × 2,127,012
  4. Step 4: Simplify right side
    3,937,848x = 11,558,677,525,588.80
  5. Step 5: Solve for x
    x = 11,558,677,525,588.80/3,937,848
  6. Step 6: Final answer
    x = 2,935,277.73

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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.