Home / 2,277,345.12-3,140,700.80-1,889,546.55

Finding the Fourth Proportional to 2,277,345.12, 3,140,700.80 and 1,889,546.55

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Solution

The fourth proportional to 2,277,345.12, 3,140,700.80 and 1,889,546.55 is: 2,605,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277,345.12 : 3,140,700.80 = 1,889,546.55 : x
  2. Step 2: Convert to fraction form
    2,277,345.12/3,140,700.80 = 1,889,546.55/x
  3. Step 3: Cross multiply
    2,277,345.12x = 3,140,700.80 × 1,889,546.55
  4. Step 4: Simplify right side
    2,277,345.12x = 5,934,500,351,774.51
  5. Step 5: Solve for x
    x = 5,934,500,351,774.51/2,277,345.12
  6. Step 6: Final answer
    x = 2,605,885.38

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1.5x scale

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.