Home / 3,180,113.66-4,768,244.06-1,427,071.02

Finding the Fourth Proportional to 3,180,113.66, 4,768,244.06 and 1,427,071.02

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Solution

The fourth proportional to 3,180,113.66, 4,768,244.06 and 1,427,071.02 is: 2,139,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,113.66 : 4,768,244.06 = 1,427,071.02 : x
  2. Step 2: Convert to fraction form
    3,180,113.66/4,768,244.06 = 1,427,071.02/x
  3. Step 3: Cross multiply
    3,180,113.66x = 4,768,244.06 × 1,427,071.02
  4. Step 4: Simplify right side
    3,180,113.66x = 6,804,622,914,313.14
  5. Step 5: Solve for x
    x = 6,804,622,914,313.14/3,180,113.66
  6. Step 6: Final answer
    x = 2,139,742.05

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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.