Home / 1,644,129.47-2,448,857.32-1,570,360.90

Finding the Fourth Proportional to 1,644,129.47, 2,448,857.32 and 1,570,360.90

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Solution

The fourth proportional to 1,644,129.47, 2,448,857.32 and 1,570,360.90 is: 2,338,982.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,129.47 : 2,448,857.32 = 1,570,360.90 : x
  2. Step 2: Convert to fraction form
    1,644,129.47/2,448,857.32 = 1,570,360.90/x
  3. Step 3: Cross multiply
    1,644,129.47x = 2,448,857.32 × 1,570,360.90
  4. Step 4: Simplify right side
    1,644,129.47x = 3,845,589,774,958.74
  5. Step 5: Solve for x
    x = 3,845,589,774,958.74/1,644,129.47
  6. Step 6: Final answer
    x = 2,338,982.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.