Home / 2,890,221.40-4,331,184.90-2,126,099.80

Finding the Fourth Proportional to 2,890,221.40, 4,331,184.90 and 2,126,099.80

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Solution

The fourth proportional to 2,890,221.40, 4,331,184.90 and 2,126,099.80 is: 3,186,098.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,221.40 : 4,331,184.90 = 2,126,099.80 : x
  2. Step 2: Convert to fraction form
    2,890,221.40/4,331,184.90 = 2,126,099.80/x
  3. Step 3: Cross multiply
    2,890,221.40x = 4,331,184.90 × 2,126,099.80
  4. Step 4: Simplify right side
    2,890,221.40x = 9,208,531,349,653.02
  5. Step 5: Solve for x
    x = 9,208,531,349,653.02/2,890,221.40
  6. Step 6: Final answer
    x = 3,186,098.94

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.