Home / 6,426,155.08-9,638,838.24-2,639,539.72

Finding the Fourth Proportional to 6,426,155.08, 9,638,838.24 and 2,639,539.72

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Solution

The fourth proportional to 6,426,155.08, 9,638,838.24 and 2,639,539.72 is: 3,959,147.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426,155.08 : 9,638,838.24 = 2,639,539.72 : x
  2. Step 2: Convert to fraction form
    6,426,155.08/9,638,838.24 = 2,639,539.72/x
  3. Step 3: Cross multiply
    6,426,155.08x = 9,638,838.24 × 2,639,539.72
  4. Step 4: Simplify right side
    6,426,155.08x = 25,442,096,389,134.89
  5. Step 5: Solve for x
    x = 25,442,096,389,134.89/6,426,155.08
  6. Step 6: Final answer
    x = 3,959,147.59

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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.