Home / 2,759,135.72-3,807,579.76-1,535,420.29

Finding the Fourth Proportional to 2,759,135.72, 3,807,579.76 and 1,535,420.29

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Solution

The fourth proportional to 2,759,135.72, 3,807,579.76 and 1,535,420.29 is: 2,118,864.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,135.72 : 3,807,579.76 = 1,535,420.29 : x
  2. Step 2: Convert to fraction form
    2,759,135.72/3,807,579.76 = 1,535,420.29/x
  3. Step 3: Cross multiply
    2,759,135.72x = 3,807,579.76 × 1,535,420.29
  4. Step 4: Simplify right side
    2,759,135.72x = 5,846,235,229,142.08
  5. Step 5: Solve for x
    x = 5,846,235,229,142.08/2,759,135.72
  6. Step 6: Final answer
    x = 2,118,864.68

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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.