Home / 2,861,856.40-3,948,500.10-1,715,518.48

Finding the Fourth Proportional to 2,861,856.40, 3,948,500.10 and 1,715,518.48

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Solution

The fourth proportional to 2,861,856.40, 3,948,500.10 and 1,715,518.48 is: 2,366,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,856.40 : 3,948,500.10 = 1,715,518.48 : x
  2. Step 2: Convert to fraction form
    2,861,856.40/3,948,500.10 = 1,715,518.48/x
  3. Step 3: Cross multiply
    2,861,856.40x = 3,948,500.10 × 1,715,518.48
  4. Step 4: Simplify right side
    2,861,856.40x = 6,773,724,889,831.85
  5. Step 5: Solve for x
    x = 6,773,724,889,831.85/2,861,856.40
  6. Step 6: Final answer
    x = 2,366,898.94

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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.