Home / 3,072,488.64-4,238,536.32-1,985,697.60

Finding the Fourth Proportional to 3,072,488.64, 4,238,536.32 and 1,985,697.60

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Solution

The fourth proportional to 3,072,488.64, 4,238,536.32 and 1,985,697.60 is: 2,739,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,488.64 : 4,238,536.32 = 1,985,697.60 : x
  2. Step 2: Convert to fraction form
    3,072,488.64/4,238,536.32 = 1,985,697.60/x
  3. Step 3: Cross multiply
    3,072,488.64x = 4,238,536.32 × 1,985,697.60
  4. Step 4: Simplify right side
    3,072,488.64x = 8,416,451,398,136.83
  5. Step 5: Solve for x
    x = 8,416,451,398,136.83/3,072,488.64
  6. Step 6: Final answer
    x = 2,739,294.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.