Home / 2,780,443.80-4,170,665.70-1,182,605.40

Finding the Fourth Proportional to 2,780,443.80, 4,170,665.70 and 1,182,605.40

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Solution

The fourth proportional to 2,780,443.80, 4,170,665.70 and 1,182,605.40 is: 1,773,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,443.80 : 4,170,665.70 = 1,182,605.40 : x
  2. Step 2: Convert to fraction form
    2,780,443.80/4,170,665.70 = 1,182,605.40/x
  3. Step 3: Cross multiply
    2,780,443.80x = 4,170,665.70 × 1,182,605.40
  4. Step 4: Simplify right side
    2,780,443.80x = 4,932,251,778,414.78
  5. Step 5: Solve for x
    x = 4,932,251,778,414.78/2,780,443.80
  6. Step 6: Final answer
    x = 1,773,908.10

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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.