Home / 2,755,762.79-3,802,967.46-1,515,453.13

Finding the Fourth Proportional to 2,755,762.79, 3,802,967.46 and 1,515,453.13

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Solution

The fourth proportional to 2,755,762.79, 3,802,967.46 and 1,515,453.13 is: 2,091,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755,762.79 : 3,802,967.46 = 1,515,453.13 : x
  2. Step 2: Convert to fraction form
    2,755,762.79/3,802,967.46 = 1,515,453.13/x
  3. Step 3: Cross multiply
    2,755,762.79x = 3,802,967.46 × 1,515,453.13
  4. Step 4: Simplify right side
    2,755,762.79x = 5,763,218,913,953.05
  5. Step 5: Solve for x
    x = 5,763,218,913,953.05/2,755,762.79
  6. Step 6: Final answer
    x = 2,091,333.45

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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.