Home / 3,870,893.56-5,341,530.50-2,151,909.40

Finding the Fourth Proportional to 3,870,893.56, 5,341,530.50 and 2,151,909.40

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Solution

The fourth proportional to 3,870,893.56, 5,341,530.50 and 2,151,909.40 is: 2,969,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,893.56 : 5,341,530.50 = 2,151,909.40 : x
  2. Step 2: Convert to fraction form
    3,870,893.56/5,341,530.50 = 2,151,909.40/x
  3. Step 3: Cross multiply
    3,870,893.56x = 5,341,530.50 × 2,151,909.40
  4. Step 4: Simplify right side
    3,870,893.56x = 11,494,489,693,336.70
  5. Step 5: Solve for x
    x = 11,494,489,693,336.70/3,870,893.56
  6. Step 6: Final answer
    x = 2,969,466.74

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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.