Home / 5,102,980.40-7,042,509.96-2,811,553.04

Finding the Fourth Proportional to 5,102,980.40, 7,042,509.96 and 2,811,553.04

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Solution

The fourth proportional to 5,102,980.40, 7,042,509.96 and 2,811,553.04 is: 3,880,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102,980.40 : 7,042,509.96 = 2,811,553.04 : x
  2. Step 2: Convert to fraction form
    5,102,980.40/7,042,509.96 = 2,811,553.04/x
  3. Step 3: Cross multiply
    5,102,980.40x = 7,042,509.96 × 2,811,553.04
  4. Step 4: Simplify right side
    5,102,980.40x = 19,800,390,287,268.28
  5. Step 5: Solve for x
    x = 19,800,390,287,268.28/5,102,980.40
  6. Step 6: Final answer
    x = 3,880,161.93

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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.