Home / 2,831,313.42-4,245,290.28-1,124,538.57

Finding the Fourth Proportional to 2,831,313.42, 4,245,290.28 and 1,124,538.57

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Solution

The fourth proportional to 2,831,313.42, 4,245,290.28 and 1,124,538.57 is: 1,686,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,313.42 : 4,245,290.28 = 1,124,538.57 : x
  2. Step 2: Convert to fraction form
    2,831,313.42/4,245,290.28 = 1,124,538.57/x
  3. Step 3: Cross multiply
    2,831,313.42x = 4,245,290.28 × 1,124,538.57
  4. Step 4: Simplify right side
    2,831,313.42x = 4,773,992,660,706.10
  5. Step 5: Solve for x
    x = 4,773,992,660,706.10/2,831,313.42
  6. Step 6: Final answer
    x = 1,686,140.65

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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.