Home / 5,172,490.96-7,138,259-2,880,651.64

Finding the Fourth Proportional to 5,172,490.96, 7,138,259 and 2,880,651.64

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Solution

The fourth proportional to 5,172,490.96, 7,138,259 and 2,880,651.64 is: 3,975,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,490.96 : 7,138,259 = 2,880,651.64 : x
  2. Step 2: Convert to fraction form
    5,172,490.96/7,138,259 = 2,880,651.64/x
  3. Step 3: Cross multiply
    5,172,490.96x = 7,138,259 × 2,880,651.64
  4. Step 4: Simplify right side
    5,172,490.96x = 20,562,837,495,094.76
  5. Step 5: Solve for x
    x = 20,562,837,495,094.76/5,172,490.96
  6. Step 6: Final answer
    x = 3,975,422.61

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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.