Home / 2,153,771.20-2,972,204.26-1,186,901.49

Finding the Fourth Proportional to 2,153,771.20, 2,972,204.26 and 1,186,901.49

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Solution

The fourth proportional to 2,153,771.20, 2,972,204.26 and 1,186,901.49 is: 1,637,924.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,771.20 : 2,972,204.26 = 1,186,901.49 : x
  2. Step 2: Convert to fraction form
    2,153,771.20/2,972,204.26 = 1,186,901.49/x
  3. Step 3: Cross multiply
    2,153,771.20x = 2,972,204.26 × 1,186,901.49
  4. Step 4: Simplify right side
    2,153,771.20x = 3,527,713,658,843.84
  5. Step 5: Solve for x
    x = 3,527,713,658,843.84/2,153,771.20
  6. Step 6: Final answer
    x = 1,637,924.06

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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.