Home / 6,307,314.40-9,463,167.21-1,990,031.20

Finding the Fourth Proportional to 6,307,314.40, 9,463,167.21 and 1,990,031.20

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Solution

The fourth proportional to 6,307,314.40, 9,463,167.21 and 1,990,031.20 is: 2,985,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307,314.40 : 9,463,167.21 = 1,990,031.20 : x
  2. Step 2: Convert to fraction form
    6,307,314.40/9,463,167.21 = 1,990,031.20/x
  3. Step 3: Cross multiply
    6,307,314.40x = 9,463,167.21 × 1,990,031.20
  4. Step 4: Simplify right side
    6,307,314.40x = 18,831,997,998,716.95
  5. Step 5: Solve for x
    x = 18,831,997,998,716.95/6,307,314.40
  6. Step 6: Final answer
    x = 2,985,739.54

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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.