Home / 3,117,905.70-4,673,359.35-1,320,483.30

Finding the Fourth Proportional to 3,117,905.70, 4,673,359.35 and 1,320,483.30

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Solution

The fourth proportional to 3,117,905.70, 4,673,359.35 and 1,320,483.30 is: 1,979,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,905.70 : 4,673,359.35 = 1,320,483.30 : x
  2. Step 2: Convert to fraction form
    3,117,905.70/4,673,359.35 = 1,320,483.30/x
  3. Step 3: Cross multiply
    3,117,905.70x = 4,673,359.35 × 1,320,483.30
  4. Step 4: Simplify right side
    3,117,905.70x = 6,171,092,976,573.86
  5. Step 5: Solve for x
    x = 6,171,092,976,573.86/3,117,905.70
  6. Step 6: Final answer
    x = 1,979,242.98

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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.