Home / 2,988,972-4,124,778.96-1,630,845

Finding the Fourth Proportional to 2,988,972, 4,124,778.96 and 1,630,845

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Solution

The fourth proportional to 2,988,972, 4,124,778.96 and 1,630,845 is: 2,250,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,972 : 4,124,778.96 = 1,630,845 : x
  2. Step 2: Convert to fraction form
    2,988,972/4,124,778.96 = 1,630,845/x
  3. Step 3: Cross multiply
    2,988,972x = 4,124,778.96 × 1,630,845
  4. Step 4: Simplify right side
    2,988,972x = 6,726,875,143,021.20
  5. Step 5: Solve for x
    x = 6,726,875,143,021.20/2,988,972
  6. Step 6: Final answer
    x = 2,250,564.79

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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.