Home / 2,780,672.80-4,164,010.80-1,828,890.40

Finding the Fourth Proportional to 2,780,672.80, 4,164,010.80 and 1,828,890.40

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Solution

The fourth proportional to 2,780,672.80, 4,164,010.80 and 1,828,890.40 is: 2,738,732.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,672.80 : 4,164,010.80 = 1,828,890.40 : x
  2. Step 2: Convert to fraction form
    2,780,672.80/4,164,010.80 = 1,828,890.40/x
  3. Step 3: Cross multiply
    2,780,672.80x = 4,164,010.80 × 1,828,890.40
  4. Step 4: Simplify right side
    2,780,672.80x = 7,615,519,377,616.32
  5. Step 5: Solve for x
    x = 7,615,519,377,616.32/2,780,672.80
  6. Step 6: Final answer
    x = 2,738,732.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.