Home / 2,020,711.52-2,788,383.36-1,115,235.20

Finding the Fourth Proportional to 2,020,711.52, 2,788,383.36 and 1,115,235.20

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Solution

The fourth proportional to 2,020,711.52, 2,788,383.36 and 1,115,235.20 is: 1,538,915.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,711.52 : 2,788,383.36 = 1,115,235.20 : x
  2. Step 2: Convert to fraction form
    2,020,711.52/2,788,383.36 = 1,115,235.20/x
  3. Step 3: Cross multiply
    2,020,711.52x = 2,788,383.36 × 1,115,235.20
  4. Step 4: Simplify right side
    2,020,711.52x = 3,109,703,274,166.27
  5. Step 5: Solve for x
    x = 3,109,703,274,166.27/2,020,711.52
  6. Step 6: Final answer
    x = 1,538,915.00

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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.