Home / 1,851,211.44-2,553,918.12-1,206,396.72

Finding the Fourth Proportional to 1,851,211.44, 2,553,918.12 and 1,206,396.72

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Solution

The fourth proportional to 1,851,211.44, 2,553,918.12 and 1,206,396.72 is: 1,664,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,211.44 : 2,553,918.12 = 1,206,396.72 : x
  2. Step 2: Convert to fraction form
    1,851,211.44/2,553,918.12 = 1,206,396.72/x
  3. Step 3: Cross multiply
    1,851,211.44x = 2,553,918.12 × 1,206,396.72
  4. Step 4: Simplify right side
    1,851,211.44x = 3,081,038,443,116.57
  5. Step 5: Solve for x
    x = 3,081,038,443,116.57/1,851,211.44
  6. Step 6: Final answer
    x = 1,664,336.32

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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.