Home / 1,988,127-2,982,190.50-492,219

Finding the Fourth Proportional to 1,988,127, 2,982,190.50 and 492,219

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Solution

The fourth proportional to 1,988,127, 2,982,190.50 and 492,219 is: 738,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,127 : 2,982,190.50 = 492,219 : x
  2. Step 2: Convert to fraction form
    1,988,127/2,982,190.50 = 492,219/x
  3. Step 3: Cross multiply
    1,988,127x = 2,982,190.50 × 492,219
  4. Step 4: Simplify right side
    1,988,127x = 1,467,890,825,719.50
  5. Step 5: Solve for x
    x = 1,467,890,825,719.50/1,988,127
  6. Step 6: Final answer
    x = 738,328.50

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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.