Home / 2,477,931.44-3,419,598-1,390,281.66

Finding the Fourth Proportional to 2,477,931.44, 3,419,598 and 1,390,281.66

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Solution

The fourth proportional to 2,477,931.44, 3,419,598 and 1,390,281.66 is: 1,918,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477,931.44 : 3,419,598 = 1,390,281.66 : x
  2. Step 2: Convert to fraction form
    2,477,931.44/3,419,598 = 1,390,281.66/x
  3. Step 3: Cross multiply
    2,477,931.44x = 3,419,598 × 1,390,281.66
  4. Step 4: Simplify right side
    2,477,931.44x = 4,754,204,383,972.68
  5. Step 5: Solve for x
    x = 4,754,204,383,972.68/2,477,931.44
  6. Step 6: Final answer
    x = 1,918,618.21

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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.