Home / 1,992,756.33-2,989,601.06-644,864.49

Finding the Fourth Proportional to 1,992,756.33, 2,989,601.06 and 644,864.49

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Solution

The fourth proportional to 1,992,756.33, 2,989,601.06 and 644,864.49 is: 967,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,756.33 : 2,989,601.06 = 644,864.49 : x
  2. Step 2: Convert to fraction form
    1,992,756.33/2,989,601.06 = 644,864.49/x
  3. Step 3: Cross multiply
    1,992,756.33x = 2,989,601.06 × 644,864.49
  4. Step 4: Simplify right side
    1,992,756.33x = 1,927,887,559,636.04
  5. Step 5: Solve for x
    x = 1,927,887,559,636.04/1,992,756.33
  6. Step 6: Final answer
    x = 967,447.72

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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.