Home / 1,856,878.49-2,785,317.77-1,225,644.68

Finding the Fourth Proportional to 1,856,878.49, 2,785,317.77 and 1,225,644.68

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Solution

The fourth proportional to 1,856,878.49, 2,785,317.77 and 1,225,644.68 is: 1,838,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,878.49 : 2,785,317.77 = 1,225,644.68 : x
  2. Step 2: Convert to fraction form
    1,856,878.49/2,785,317.77 = 1,225,644.68/x
  3. Step 3: Cross multiply
    1,856,878.49x = 2,785,317.77 × 1,225,644.68
  4. Step 4: Simplify right side
    1,856,878.49x = 3,413,809,916,937.37
  5. Step 5: Solve for x
    x = 3,413,809,916,937.37/1,856,878.49
  6. Step 6: Final answer
    x = 1,838,467.05

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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.