Home / 2,821,374.48-3,894,688.26-1,904,845.18

Finding the Fourth Proportional to 2,821,374.48, 3,894,688.26 and 1,904,845.18

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Solution

The fourth proportional to 2,821,374.48, 3,894,688.26 and 1,904,845.18 is: 2,629,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,374.48 : 3,894,688.26 = 1,904,845.18 : x
  2. Step 2: Convert to fraction form
    2,821,374.48/3,894,688.26 = 1,904,845.18/x
  3. Step 3: Cross multiply
    2,821,374.48x = 3,894,688.26 × 1,904,845.18
  4. Step 4: Simplify right side
    2,821,374.48x = 7,418,778,159,663.59
  5. Step 5: Solve for x
    x = 7,418,778,159,663.59/2,821,374.48
  6. Step 6: Final answer
    x = 2,629,490.77

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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.