Home / 3,180,111.66-4,768,241.06-1,427,069.03

Finding the Fourth Proportional to 3,180,111.66, 4,768,241.06 and 1,427,069.03

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Solution

The fourth proportional to 3,180,111.66, 4,768,241.06 and 1,427,069.03 is: 2,139,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,111.66 : 4,768,241.06 = 1,427,069.03 : x
  2. Step 2: Convert to fraction form
    3,180,111.66/4,768,241.06 = 1,427,069.03/x
  3. Step 3: Cross multiply
    3,180,111.66x = 4,768,241.06 × 1,427,069.03
  4. Step 4: Simplify right side
    3,180,111.66x = 6,804,609,113,323.82
  5. Step 5: Solve for x
    x = 6,804,609,113,323.82/3,180,111.66
  6. Step 6: Final answer
    x = 2,139,739.05

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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.