Home / 3,989,818.32-5,987,680.84-2,967,483.28

Finding the Fourth Proportional to 3,989,818.32, 5,987,680.84 and 2,967,483.28

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Solution

The fourth proportional to 3,989,818.32, 5,987,680.84 and 2,967,483.28 is: 4,453,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,818.32 : 5,987,680.84 = 2,967,483.28 : x
  2. Step 2: Convert to fraction form
    3,989,818.32/5,987,680.84 = 2,967,483.28/x
  3. Step 3: Cross multiply
    3,989,818.32x = 5,987,680.84 × 2,967,483.28
  4. Step 4: Simplify right side
    3,989,818.32x = 17,768,342,778,676.36
  5. Step 5: Solve for x
    x = 17,768,342,778,676.36/3,989,818.32
  6. Step 6: Final answer
    x = 4,453,421.52

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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.