Home / 3,903,768.36-5,387,368.59-2,161,437.61

Finding the Fourth Proportional to 3,903,768.36, 5,387,368.59 and 2,161,437.61

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Solution

The fourth proportional to 3,903,768.36, 5,387,368.59 and 2,161,437.61 is: 2,982,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903,768.36 : 5,387,368.59 = 2,161,437.61 : x
  2. Step 2: Convert to fraction form
    3,903,768.36/5,387,368.59 = 2,161,437.61/x
  3. Step 3: Cross multiply
    3,903,768.36x = 5,387,368.59 × 2,161,437.61
  4. Step 4: Simplify right side
    3,903,768.36x = 11,644,461,051,614.64
  5. Step 5: Solve for x
    x = 11,644,461,051,614.64/3,903,768.36
  6. Step 6: Final answer
    x = 2,982,877.05

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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.