Home / 5,107,536.30-7,048,717.47-2,815,692.78

Finding the Fourth Proportional to 5,107,536.30, 7,048,717.47 and 2,815,692.78

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Solution

The fourth proportional to 5,107,536.30, 7,048,717.47 and 2,815,692.78 is: 3,885,831.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,536.30 : 7,048,717.47 = 2,815,692.78 : x
  2. Step 2: Convert to fraction form
    5,107,536.30/7,048,717.47 = 2,815,692.78/x
  3. Step 3: Cross multiply
    5,107,536.30x = 7,048,717.47 × 2,815,692.78
  4. Step 4: Simplify right side
    5,107,536.30x = 19,847,022,888,538.86
  5. Step 5: Solve for x
    x = 19,847,022,888,538.86/5,107,536.30
  6. Step 6: Final answer
    x = 3,885,831.00

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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.