Home / 2,780,805.20-4,171,207.80-2,465,877.20

Finding the Fourth Proportional to 2,780,805.20, 4,171,207.80 and 2,465,877.20

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Solution

The fourth proportional to 2,780,805.20, 4,171,207.80 and 2,465,877.20 is: 3,698,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,805.20 : 4,171,207.80 = 2,465,877.20 : x
  2. Step 2: Convert to fraction form
    2,780,805.20/4,171,207.80 = 2,465,877.20/x
  3. Step 3: Cross multiply
    2,780,805.20x = 4,171,207.80 × 2,465,877.20
  4. Step 4: Simplify right side
    2,780,805.20x = 10,285,686,210,482.16
  5. Step 5: Solve for x
    x = 10,285,686,210,482.16/2,780,805.20
  6. Step 6: Final answer
    x = 3,698,815.80

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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.