Home / 2,815,769.52-3,888,968.76-1,908,776.88

Finding the Fourth Proportional to 2,815,769.52, 3,888,968.76 and 1,908,776.88

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Solution

The fourth proportional to 2,815,769.52, 3,888,968.76 and 1,908,776.88 is: 2,636,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,769.52 : 3,888,968.76 = 1,908,776.88 : x
  2. Step 2: Convert to fraction form
    2,815,769.52/3,888,968.76 = 1,908,776.88/x
  3. Step 3: Cross multiply
    2,815,769.52x = 3,888,968.76 × 1,908,776.88
  4. Step 4: Simplify right side
    2,815,769.52x = 7,423,173,656,130.27
  5. Step 5: Solve for x
    x = 7,423,173,656,130.27/2,815,769.52
  6. Step 6: Final answer
    x = 2,636,285.96

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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.