Home / 3,180,851.43-4,771,720.64-1,021,942

Finding the Fourth Proportional to 3,180,851.43, 4,771,720.64 and 1,021,942

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Solution

The fourth proportional to 3,180,851.43, 4,771,720.64 and 1,021,942 is: 1,533,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,851.43 : 4,771,720.64 = 1,021,942 : x
  2. Step 2: Convert to fraction form
    3,180,851.43/4,771,720.64 = 1,021,942/x
  3. Step 3: Cross multiply
    3,180,851.43x = 4,771,720.64 × 1,021,942
  4. Step 4: Simplify right side
    3,180,851.43x = 4,876,421,734,282.88
  5. Step 5: Solve for x
    x = 4,876,421,734,282.88/3,180,851.43
  6. Step 6: Final answer
    x = 1,533,055.49

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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.