Home / 3,937,867.12-5,434,256.82-2,127,031.12

Finding the Fourth Proportional to 3,937,867.12, 5,434,256.82 and 2,127,031.12

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Solution

The fourth proportional to 3,937,867.12, 5,434,256.82 and 2,127,031.12 is: 2,935,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,867.12 : 5,434,256.82 = 2,127,031.12 : x
  2. Step 2: Convert to fraction form
    3,937,867.12/5,434,256.82 = 2,127,031.12/x
  3. Step 3: Cross multiply
    3,937,867.12x = 5,434,256.82 × 2,127,031.12
  4. Step 4: Simplify right side
    3,937,867.12x = 11,558,833,370,212.24
  5. Step 5: Solve for x
    x = 11,558,833,370,212.24/3,937,867.12
  6. Step 6: Final answer
    x = 2,935,303.05

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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.