Home / 1,822,912.85-2,515,646.11-1,007,135.35

Finding the Fourth Proportional to 1,822,912.85, 2,515,646.11 and 1,007,135.35

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Solution

The fourth proportional to 1,822,912.85, 2,515,646.11 and 1,007,135.35 is: 1,389,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822,912.85 : 2,515,646.11 = 1,007,135.35 : x
  2. Step 2: Convert to fraction form
    1,822,912.85/2,515,646.11 = 1,007,135.35/x
  3. Step 3: Cross multiply
    1,822,912.85x = 2,515,646.11 × 1,007,135.35
  4. Step 4: Simplify right side
    1,822,912.85x = 2,533,596,125,470.99
  5. Step 5: Solve for x
    x = 2,533,596,125,470.99/1,822,912.85
  6. Step 6: Final answer
    x = 1,389,861.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.