Home / 1,806,072.86-2,490,318.84-1,443,247.94

Finding the Fourth Proportional to 1,806,072.86, 2,490,318.84 and 1,443,247.94

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Solution

The fourth proportional to 1,806,072.86, 2,490,318.84 and 1,443,247.94 is: 1,990,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,072.86 : 2,490,318.84 = 1,443,247.94 : x
  2. Step 2: Convert to fraction form
    1,806,072.86/2,490,318.84 = 1,443,247.94/x
  3. Step 3: Cross multiply
    1,806,072.86x = 2,490,318.84 × 1,443,247.94
  4. Step 4: Simplify right side
    1,806,072.86x = 3,594,147,535,773.19
  5. Step 5: Solve for x
    x = 3,594,147,535,773.19/1,806,072.86
  6. Step 6: Final answer
    x = 1,990,034.63

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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.