Home / 2,915,145.34-4,022,890.05-1,625,984.71

Finding the Fourth Proportional to 2,915,145.34, 4,022,890.05 and 1,625,984.71

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Solution

The fourth proportional to 2,915,145.34, 4,022,890.05 and 1,625,984.71 is: 2,243,853.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,145.34 : 4,022,890.05 = 1,625,984.71 : x
  2. Step 2: Convert to fraction form
    2,915,145.34/4,022,890.05 = 1,625,984.71/x
  3. Step 3: Cross multiply
    2,915,145.34x = 4,022,890.05 × 1,625,984.71
  4. Step 4: Simplify right side
    2,915,145.34x = 6,541,157,711,311.14
  5. Step 5: Solve for x
    x = 6,541,157,711,311.14/2,915,145.34
  6. Step 6: Final answer
    x = 2,243,853.03

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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.