Home / 3,989,738.63-5,985,483.05-1,294,336.46

Finding the Fourth Proportional to 3,989,738.63, 5,985,483.05 and 1,294,336.46

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Solution

The fourth proportional to 3,989,738.63, 5,985,483.05 and 1,294,336.46 is: 1,941,788.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,738.63 : 5,985,483.05 = 1,294,336.46 : x
  2. Step 2: Convert to fraction form
    3,989,738.63/5,985,483.05 = 1,294,336.46/x
  3. Step 3: Cross multiply
    3,989,738.63x = 5,985,483.05 × 1,294,336.46
  4. Step 4: Simplify right side
    3,989,738.63x = 7,747,228,960,526.55
  5. Step 5: Solve for x
    x = 7,747,228,960,526.55/3,989,738.63
  6. Step 6: Final answer
    x = 1,941,788.59

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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.