Home / 2,146,663.39-3,219,978.68-549,223.91

Finding the Fourth Proportional to 2,146,663.39, 3,219,978.68 and 549,223.91

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Solution

The fourth proportional to 2,146,663.39, 3,219,978.68 and 549,223.91 is: 823,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,663.39 : 3,219,978.68 = 549,223.91 : x
  2. Step 2: Convert to fraction form
    2,146,663.39/3,219,978.68 = 549,223.91/x
  3. Step 3: Cross multiply
    2,146,663.39x = 3,219,978.68 × 549,223.91
  4. Step 4: Simplify right side
    2,146,663.39x = 1,768,489,288,846.70
  5. Step 5: Solve for x
    x = 1,768,489,288,846.70/2,146,663.39
  6. Step 6: Final answer
    x = 823,831.67

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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.