Home / 2,612,820.78-3,918,223.53-1,015,173.54

Finding the Fourth Proportional to 2,612,820.78, 3,918,223.53 and 1,015,173.54

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Solution

The fourth proportional to 2,612,820.78, 3,918,223.53 and 1,015,173.54 is: 1,522,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,820.78 : 3,918,223.53 = 1,015,173.54 : x
  2. Step 2: Convert to fraction form
    2,612,820.78/3,918,223.53 = 1,015,173.54/x
  3. Step 3: Cross multiply
    2,612,820.78x = 3,918,223.53 × 1,015,173.54
  4. Step 4: Simplify right side
    2,612,820.78x = 3,977,676,851,461.40
  5. Step 5: Solve for x
    x = 3,977,676,851,461.40/2,612,820.78
  6. Step 6: Final answer
    x = 1,522,368.81

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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.