Home / 2,021,419.40-3,030,087.90-1,008,984.20

Finding the Fourth Proportional to 2,021,419.40, 3,030,087.90 and 1,008,984.20

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Solution

The fourth proportional to 2,021,419.40, 3,030,087.90 and 1,008,984.20 is: 1,512,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,419.40 : 3,030,087.90 = 1,008,984.20 : x
  2. Step 2: Convert to fraction form
    2,021,419.40/3,030,087.90 = 1,008,984.20/x
  3. Step 3: Cross multiply
    2,021,419.40x = 3,030,087.90 × 1,008,984.20
  4. Step 4: Simplify right side
    2,021,419.40x = 3,057,310,815,711.18
  5. Step 5: Solve for x
    x = 3,057,310,815,711.18/2,021,419.40
  6. Step 6: Final answer
    x = 1,512,457.44

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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.