Home / 2,257,374.79-3,386,053.05-817,721.68

Finding the Fourth Proportional to 2,257,374.79, 3,386,053.05 and 817,721.68

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Solution

The fourth proportional to 2,257,374.79, 3,386,053.05 and 817,721.68 is: 1,226,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,374.79 : 3,386,053.05 = 817,721.68 : x
  2. Step 2: Convert to fraction form
    2,257,374.79/3,386,053.05 = 817,721.68/x
  3. Step 3: Cross multiply
    2,257,374.79x = 3,386,053.05 × 817,721.68
  4. Step 4: Simplify right side
    2,257,374.79x = 2,768,848,988,615.12
  5. Step 5: Solve for x
    x = 2,768,848,988,615.12/2,257,374.79
  6. Step 6: Final answer
    x = 1,226,579.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.