Home / 2,988,014.74-4,472,744.25-1,618,386.68

Finding the Fourth Proportional to 2,988,014.74, 4,472,744.25 and 1,618,386.68

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Solution

The fourth proportional to 2,988,014.74, 4,472,744.25 and 1,618,386.68 is: 2,422,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,014.74 : 4,472,744.25 = 1,618,386.68 : x
  2. Step 2: Convert to fraction form
    2,988,014.74/4,472,744.25 = 1,618,386.68/x
  3. Step 3: Cross multiply
    2,988,014.74x = 4,472,744.25 × 1,618,386.68
  4. Step 4: Simplify right side
    2,988,014.74x = 7,238,629,721,979.99
  5. Step 5: Solve for x
    x = 7,238,629,721,979.99/2,988,014.74
  6. Step 6: Final answer
    x = 2,422,554.89

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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.