Home / 2,762,419.36-3,812,080.56-1,538,721.76

Finding the Fourth Proportional to 2,762,419.36, 3,812,080.56 and 1,538,721.76

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Solution

The fourth proportional to 2,762,419.36, 3,812,080.56 and 1,538,721.76 is: 2,123,403.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762,419.36 : 3,812,080.56 = 1,538,721.76 : x
  2. Step 2: Convert to fraction form
    2,762,419.36/3,812,080.56 = 1,538,721.76/x
  3. Step 3: Cross multiply
    2,762,419.36x = 3,812,080.56 × 1,538,721.76
  4. Step 4: Simplify right side
    2,762,419.36x = 5,865,731,308,544.99
  5. Step 5: Solve for x
    x = 5,865,731,308,544.99/2,762,419.36
  6. Step 6: Final answer
    x = 2,123,403.63

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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.