Home / 2,778,116.70-4,167,336.33-1,072,269.48

Finding the Fourth Proportional to 2,778,116.70, 4,167,336.33 and 1,072,269.48

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Solution

The fourth proportional to 2,778,116.70, 4,167,336.33 and 1,072,269.48 is: 1,608,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,116.70 : 4,167,336.33 = 1,072,269.48 : x
  2. Step 2: Convert to fraction form
    2,778,116.70/4,167,336.33 = 1,072,269.48/x
  3. Step 3: Cross multiply
    2,778,116.70x = 4,167,336.33 × 1,072,269.48
  4. Step 4: Simplify right side
    2,778,116.70x = 4,468,507,559,554.21
  5. Step 5: Solve for x
    x = 4,468,507,559,554.21/2,778,116.70
  6. Step 6: Final answer
    x = 1,608,466.47

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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.