Home / 2,118,779.28-2,923,947.24-1,151,907.39

Finding the Fourth Proportional to 2,118,779.28, 2,923,947.24 and 1,151,907.39

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Solution

The fourth proportional to 2,118,779.28, 2,923,947.24 and 1,151,907.39 is: 1,589,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,779.28 : 2,923,947.24 = 1,151,907.39 : x
  2. Step 2: Convert to fraction form
    2,118,779.28/2,923,947.24 = 1,151,907.39/x
  3. Step 3: Cross multiply
    2,118,779.28x = 2,923,947.24 × 1,151,907.39
  4. Step 4: Simplify right side
    2,118,779.28x = 3,368,116,433,726.10
  5. Step 5: Solve for x
    x = 3,368,116,433,726.10/2,118,779.28
  6. Step 6: Final answer
    x = 1,589,649.51

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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.