Home / 5,130,625.64-7,077,178.48-3,388,311.04

Finding the Fourth Proportional to 5,130,625.64, 7,077,178.48 and 3,388,311.04

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Solution

The fourth proportional to 5,130,625.64, 7,077,178.48 and 3,388,311.04 is: 4,673,831.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130,625.64 : 7,077,178.48 = 3,388,311.04 : x
  2. Step 2: Convert to fraction form
    5,130,625.64/7,077,178.48 = 3,388,311.04/x
  3. Step 3: Cross multiply
    5,130,625.64x = 7,077,178.48 × 3,388,311.04
  4. Step 4: Simplify right side
    5,130,625.64x = 23,979,681,975,834.42
  5. Step 5: Solve for x
    x = 23,979,681,975,834.42/5,130,625.64
  6. Step 6: Final answer
    x = 4,673,831.94

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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.