Home / 1,859,128.80-2,567,936.28-1,533,621.39

Finding the Fourth Proportional to 1,859,128.80, 2,567,936.28 and 1,533,621.39

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Solution

The fourth proportional to 1,859,128.80, 2,567,936.28 and 1,533,621.39 is: 2,118,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,128.80 : 2,567,936.28 = 1,533,621.39 : x
  2. Step 2: Convert to fraction form
    1,859,128.80/2,567,936.28 = 1,533,621.39/x
  3. Step 3: Cross multiply
    1,859,128.80x = 2,567,936.28 × 1,533,621.39
  4. Step 4: Simplify right side
    1,859,128.80x = 3,938,242,007,165.03
  5. Step 5: Solve for x
    x = 3,938,242,007,165.03/1,859,128.80
  6. Step 6: Final answer
    x = 2,118,326.61

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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.