Home / 5,103,784.36-7,042,961.54-2,811,898.92

Finding the Fourth Proportional to 5,103,784.36, 7,042,961.54 and 2,811,898.92

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Solution

The fourth proportional to 5,103,784.36, 7,042,961.54 and 2,811,898.92 is: 3,880,276.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103,784.36 : 7,042,961.54 = 2,811,898.92 : x
  2. Step 2: Convert to fraction form
    5,103,784.36/7,042,961.54 = 2,811,898.92/x
  3. Step 3: Cross multiply
    5,103,784.36x = 7,042,961.54 × 2,811,898.92
  4. Step 4: Simplify right side
    5,103,784.36x = 19,804,095,947,927.54
  5. Step 5: Solve for x
    x = 19,804,095,947,927.54/5,103,784.36
  6. Step 6: Final answer
    x = 3,880,276.78

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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.