Home / 6,421,428.83-8,861,504.23-3,520,812.53

Finding the Fourth Proportional to 6,421,428.83, 8,861,504.23 and 3,520,812.53

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Solution

The fourth proportional to 6,421,428.83, 8,861,504.23 and 3,520,812.53 is: 4,858,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,428.83 : 8,861,504.23 = 3,520,812.53 : x
  2. Step 2: Convert to fraction form
    6,421,428.83/8,861,504.23 = 3,520,812.53/x
  3. Step 3: Cross multiply
    6,421,428.83x = 8,861,504.23 × 3,520,812.53
  4. Step 4: Simplify right side
    6,421,428.83x = 31,199,695,127,632
  5. Step 5: Solve for x
    x = 31,199,695,127,632/6,421,428.83
  6. Step 6: Final answer
    x = 4,858,684.25

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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.