Home / 2,989,236-4,127,011.92-1,918,014.24

Finding the Fourth Proportional to 2,989,236, 4,127,011.92 and 1,918,014.24

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Solution

The fourth proportional to 2,989,236, 4,127,011.92 and 1,918,014.24 is: 2,648,057.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,236 : 4,127,011.92 = 1,918,014.24 : x
  2. Step 2: Convert to fraction form
    2,989,236/4,127,011.92 = 1,918,014.24/x
  3. Step 3: Cross multiply
    2,989,236x = 4,127,011.92 × 1,918,014.24
  4. Step 4: Simplify right side
    2,989,236x = 7,915,667,631,209.74
  5. Step 5: Solve for x
    x = 7,915,667,631,209.74/2,989,236
  6. Step 6: Final answer
    x = 2,648,057.11

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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.