Home / 3,903,720.13-5,387,302.16-2,161,389.52

Finding the Fourth Proportional to 3,903,720.13, 5,387,302.16 and 2,161,389.52

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Solution

The fourth proportional to 3,903,720.13, 5,387,302.16 and 2,161,389.52 is: 2,982,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903,720.13 : 5,387,302.16 = 2,161,389.52 : x
  2. Step 2: Convert to fraction form
    3,903,720.13/5,387,302.16 = 2,161,389.52/x
  3. Step 3: Cross multiply
    3,903,720.13x = 5,387,302.16 × 2,161,389.52
  4. Step 4: Simplify right side
    3,903,720.13x = 11,644,058,429,697.36
  5. Step 5: Solve for x
    x = 11,644,058,429,697.36/3,903,720.13
  6. Step 6: Final answer
    x = 2,982,810.77

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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.