Home / 3,121,364.70-4,678,936.65-1,435,527.90

Finding the Fourth Proportional to 3,121,364.70, 4,678,936.65 and 1,435,527.90

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Solution

The fourth proportional to 3,121,364.70, 4,678,936.65 and 1,435,527.90 is: 2,151,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,364.70 : 4,678,936.65 = 1,435,527.90 : x
  2. Step 2: Convert to fraction form
    3,121,364.70/4,678,936.65 = 1,435,527.90/x
  3. Step 3: Cross multiply
    3,121,364.70x = 4,678,936.65 × 1,435,527.90
  4. Step 4: Simplify right side
    3,121,364.70x = 6,716,744,103,407.54
  5. Step 5: Solve for x
    x = 6,716,744,103,407.54/3,121,364.70
  6. Step 6: Final answer
    x = 2,151,861.36

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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.