Home / 2,487,194.70-3,731,310.45-1,421,364.30

Finding the Fourth Proportional to 2,487,194.70, 3,731,310.45 and 1,421,364.30

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Solution

The fourth proportional to 2,487,194.70, 3,731,310.45 and 1,421,364.30 is: 2,132,342.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,194.70 : 3,731,310.45 = 1,421,364.30 : x
  2. Step 2: Convert to fraction form
    2,487,194.70/3,731,310.45 = 1,421,364.30/x
  3. Step 3: Cross multiply
    2,487,194.70x = 3,731,310.45 × 1,421,364.30
  4. Step 4: Simplify right side
    2,487,194.70x = 5,303,551,465,846.94
  5. Step 5: Solve for x
    x = 5,303,551,465,846.94/2,487,194.70
  6. Step 6: Final answer
    x = 2,132,342.70

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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.