Home / 2,780,837.50-3,837,555.75-1,509,029.50

Finding the Fourth Proportional to 2,780,837.50, 3,837,555.75 and 1,509,029.50

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Solution

The fourth proportional to 2,780,837.50, 3,837,555.75 and 1,509,029.50 is: 2,082,460.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,837.50 : 3,837,555.75 = 1,509,029.50 : x
  2. Step 2: Convert to fraction form
    2,780,837.50/3,837,555.75 = 1,509,029.50/x
  3. Step 3: Cross multiply
    2,780,837.50x = 3,837,555.75 × 1,509,029.50
  4. Step 4: Simplify right side
    2,780,837.50x = 5,790,984,834,644.63
  5. Step 5: Solve for x
    x = 5,790,984,834,644.63/2,780,837.50
  6. Step 6: Final answer
    x = 2,082,460.71

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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.