Home / 2,005,879.47-2,768,113.47-1,134,695.55

Finding the Fourth Proportional to 2,005,879.47, 2,768,113.47 and 1,134,695.55

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Solution

The fourth proportional to 2,005,879.47, 2,768,113.47 and 1,134,695.55 is: 1,565,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,879.47 : 2,768,113.47 = 1,134,695.55 : x
  2. Step 2: Convert to fraction form
    2,005,879.47/2,768,113.47 = 1,134,695.55/x
  3. Step 3: Cross multiply
    2,005,879.47x = 2,768,113.47 × 1,134,695.55
  4. Step 4: Simplify right side
    2,005,879.47x = 3,140,966,036,304.06
  5. Step 5: Solve for x
    x = 3,140,966,036,304.06/2,005,879.47
  6. Step 6: Final answer
    x = 1,565,879.75

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Double scale
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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.