Home / 6,421,499.80-8,862,067.78-3,559,931.80

Finding the Fourth Proportional to 6,421,499.80, 8,862,067.78 and 3,559,931.80

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Solution

The fourth proportional to 6,421,499.80, 8,862,067.78 and 3,559,931.80 is: 4,912,926.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,499.80 : 8,862,067.78 = 3,559,931.80 : x
  2. Step 2: Convert to fraction form
    6,421,499.80/8,862,067.78 = 3,559,931.80/x
  3. Step 3: Cross multiply
    6,421,499.80x = 8,862,067.78 × 3,559,931.80
  4. Step 4: Simplify right side
    6,421,499.80x = 31,548,356,903,777.40
  5. Step 5: Solve for x
    x = 31,548,356,903,777.40/6,421,499.80
  6. Step 6: Final answer
    x = 4,912,926.56

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