Home / 2,224,041.12-3,069,143.40-1,257,137.40

Finding the Fourth Proportional to 2,224,041.12, 3,069,143.40 and 1,257,137.40

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Solution

The fourth proportional to 2,224,041.12, 3,069,143.40 and 1,257,137.40 is: 1,734,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224,041.12 : 3,069,143.40 = 1,257,137.40 : x
  2. Step 2: Convert to fraction form
    2,224,041.12/3,069,143.40 = 1,257,137.40/x
  3. Step 3: Cross multiply
    2,224,041.12x = 3,069,143.40 × 1,257,137.40
  4. Step 4: Simplify right side
    2,224,041.12x = 3,858,334,954,103.16
  5. Step 5: Solve for x
    x = 3,858,334,954,103.16/2,224,041.12
  6. Step 6: Final answer
    x = 1,734,830.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.