Home / 1,962,615.96-2,940,919.18-1,320,541.46

Finding the Fourth Proportional to 1,962,615.96, 2,940,919.18 and 1,320,541.46

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Solution

The fourth proportional to 1,962,615.96, 2,940,919.18 and 1,320,541.46 is: 1,978,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,615.96 : 2,940,919.18 = 1,320,541.46 : x
  2. Step 2: Convert to fraction form
    1,962,615.96/2,940,919.18 = 1,320,541.46/x
  3. Step 3: Cross multiply
    1,962,615.96x = 2,940,919.18 × 1,320,541.46
  4. Step 4: Simplify right side
    1,962,615.96x = 3,883,605,715,051.50
  5. Step 5: Solve for x
    x = 3,883,605,715,051.50/1,962,615.96
  6. Step 6: Final answer
    x = 1,978,790.45

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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.