Home / 6,143,719.46-8,478,273.66-3,390,432.26

Finding the Fourth Proportional to 6,143,719.46, 8,478,273.66 and 3,390,432.26

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Solution

The fourth proportional to 6,143,719.46, 8,478,273.66 and 3,390,432.26 is: 4,678,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,719.46 : 8,478,273.66 = 3,390,432.26 : x
  2. Step 2: Convert to fraction form
    6,143,719.46/8,478,273.66 = 3,390,432.26/x
  3. Step 3: Cross multiply
    6,143,719.46x = 8,478,273.66 × 3,390,432.26
  4. Step 4: Simplify right side
    6,143,719.46x = 28,745,012,525,972.27
  5. Step 5: Solve for x
    x = 28,745,012,525,972.27/6,143,719.46
  6. Step 6: Final answer
    x = 4,678,763.85

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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.