Home / 2,131,809.40-2,941,935.45-1,164,980.44

Finding the Fourth Proportional to 2,131,809.40, 2,941,935.45 and 1,164,980.44

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Solution

The fourth proportional to 2,131,809.40, 2,941,935.45 and 1,164,980.44 is: 1,607,694.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,809.40 : 2,941,935.45 = 1,164,980.44 : x
  2. Step 2: Convert to fraction form
    2,131,809.40/2,941,935.45 = 1,164,980.44/x
  3. Step 3: Cross multiply
    2,131,809.40x = 2,941,935.45 × 1,164,980.44
  4. Step 4: Simplify right side
    2,131,809.40x = 3,427,297,254,992.60
  5. Step 5: Solve for x
    x = 3,427,297,254,992.60/2,131,809.40
  6. Step 6: Final answer
    x = 1,607,694.03

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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.