Home / 2,890,829.70-4,336,244.55-2,780,604.90

Finding the Fourth Proportional to 2,890,829.70, 4,336,244.55 and 2,780,604.90

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Solution

The fourth proportional to 2,890,829.70, 4,336,244.55 and 2,780,604.90 is: 4,170,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,829.70 : 4,336,244.55 = 2,780,604.90 : x
  2. Step 2: Convert to fraction form
    2,890,829.70/4,336,244.55 = 2,780,604.90/x
  3. Step 3: Cross multiply
    2,890,829.70x = 4,336,244.55 × 2,780,604.90
  4. Step 4: Simplify right side
    2,890,829.70x = 12,057,382,843,328.29
  5. Step 5: Solve for x
    x = 12,057,382,843,328.29/2,890,829.70
  6. Step 6: Final answer
    x = 4,170,907.35

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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.