Home / 3,870,651.28-5,341,681.06-2,151,800.50

Finding the Fourth Proportional to 3,870,651.28, 5,341,681.06 and 2,151,800.50

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Solution

The fourth proportional to 3,870,651.28, 5,341,681.06 and 2,151,800.50 is: 2,969,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,651.28 : 5,341,681.06 = 2,151,800.50 : x
  2. Step 2: Convert to fraction form
    3,870,651.28/5,341,681.06 = 2,151,800.50/x
  3. Step 3: Cross multiply
    3,870,651.28x = 5,341,681.06 × 2,151,800.50
  4. Step 4: Simplify right side
    3,870,651.28x = 11,494,231,975,748.53
  5. Step 5: Solve for x
    x = 11,494,231,975,748.53/3,870,651.28
  6. Step 6: Final answer
    x = 2,969,586.03

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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.