Home / 3,937,878.50-5,434,274.49-2,127,042.50

Finding the Fourth Proportional to 3,937,878.50, 5,434,274.49 and 2,127,042.50

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Solution

The fourth proportional to 3,937,878.50, 5,434,274.49 and 2,127,042.50 is: 2,935,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,878.50 : 5,434,274.49 = 2,127,042.50 : x
  2. Step 2: Convert to fraction form
    3,937,878.50/5,434,274.49 = 2,127,042.50/x
  3. Step 3: Cross multiply
    3,937,878.50x = 5,434,274.49 × 2,127,042.50
  4. Step 4: Simplify right side
    3,937,878.50x = 11,558,932,796,895.83
  5. Step 5: Solve for x
    x = 11,558,932,796,895.83/3,937,878.50
  6. Step 6: Final answer
    x = 2,935,319.82

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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.