Home / 3,819,307.92-5,270,539.68-2,100,428.40

Finding the Fourth Proportional to 3,819,307.92, 5,270,539.68 and 2,100,428.40

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Solution

The fourth proportional to 3,819,307.92, 5,270,539.68 and 2,100,428.40 is: 2,898,533.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,307.92 : 5,270,539.68 = 2,100,428.40 : x
  2. Step 2: Convert to fraction form
    3,819,307.92/5,270,539.68 = 2,100,428.40/x
  3. Step 3: Cross multiply
    3,819,307.92x = 5,270,539.68 × 2,100,428.40
  4. Step 4: Simplify right side
    3,819,307.92x = 11,070,391,227,198.91
  5. Step 5: Solve for x
    x = 11,070,391,227,198.91/3,819,307.92
  6. Step 6: Final answer
    x = 2,898,533.31

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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.