Home / 2,655,420.56-3,968,014.27-1,993,837.18

Finding the Fourth Proportional to 2,655,420.56, 3,968,014.27 and 1,993,837.18

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Solution

The fourth proportional to 2,655,420.56, 3,968,014.27 and 1,993,837.18 is: 2,979,405.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655,420.56 : 3,968,014.27 = 1,993,837.18 : x
  2. Step 2: Convert to fraction form
    2,655,420.56/3,968,014.27 = 1,993,837.18/x
  3. Step 3: Cross multiply
    2,655,420.56x = 3,968,014.27 × 1,993,837.18
  4. Step 4: Simplify right side
    2,655,420.56x = 7,911,574,372,327.37
  5. Step 5: Solve for x
    x = 7,911,574,372,327.37/2,655,420.56
  6. Step 6: Final answer
    x = 2,979,405.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.