Home / 4,610,987.56-6,916,333.74-2,086,642.72

Finding the Fourth Proportional to 4,610,987.56, 6,916,333.74 and 2,086,642.72

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Solution

The fourth proportional to 4,610,987.56, 6,916,333.74 and 2,086,642.72 is: 3,129,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610,987.56 : 6,916,333.74 = 2,086,642.72 : x
  2. Step 2: Convert to fraction form
    4,610,987.56/6,916,333.74 = 2,086,642.72/x
  3. Step 3: Cross multiply
    4,610,987.56x = 6,916,333.74 × 2,086,642.72
  4. Step 4: Simplify right side
    4,610,987.56x = 14,431,917,447,661.37
  5. Step 5: Solve for x
    x = 14,431,917,447,661.37/4,610,987.56
  6. Step 6: Final answer
    x = 3,129,897.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.