Home / 3,937,879.50-5,434,275.87-2,127,043.50

Finding the Fourth Proportional to 3,937,879.50, 5,434,275.87 and 2,127,043.50

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Solution

The fourth proportional to 3,937,879.50, 5,434,275.87 and 2,127,043.50 is: 2,935,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,879.50 : 5,434,275.87 = 2,127,043.50 : x
  2. Step 2: Convert to fraction form
    3,937,879.50/5,434,275.87 = 2,127,043.50/x
  3. Step 3: Cross multiply
    3,937,879.50x = 5,434,275.87 × 2,127,043.50
  4. Step 4: Simplify right side
    3,937,879.50x = 11,558,941,166,490.35
  5. Step 5: Solve for x
    x = 11,558,941,166,490.35/3,937,879.50
  6. Step 6: Final answer
    x = 2,935,321.20

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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.