Home / 2,782,985.07-3,841,695.13-1,816,943.43

Finding the Fourth Proportional to 2,782,985.07, 3,841,695.13 and 1,816,943.43

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Solution

The fourth proportional to 2,782,985.07, 3,841,695.13 and 1,816,943.43 is: 2,508,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,985.07 : 3,841,695.13 = 1,816,943.43 : x
  2. Step 2: Convert to fraction form
    2,782,985.07/3,841,695.13 = 1,816,943.43/x
  3. Step 3: Cross multiply
    2,782,985.07x = 3,841,695.13 × 1,816,943.43
  4. Step 4: Simplify right side
    2,782,985.07x = 6,980,142,726,516.50
  5. Step 5: Solve for x
    x = 6,980,142,726,516.50/2,782,985.07
  6. Step 6: Final answer
    x = 2,508,149.54

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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.