Home / 2,190,678.24-3,038,602.26-2,132,416.56

Finding the Fourth Proportional to 2,190,678.24, 3,038,602.26 and 2,132,416.56

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Solution

The fourth proportional to 2,190,678.24, 3,038,602.26 and 2,132,416.56 is: 2,957,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,678.24 : 3,038,602.26 = 2,132,416.56 : x
  2. Step 2: Convert to fraction form
    2,190,678.24/3,038,602.26 = 2,132,416.56/x
  3. Step 3: Cross multiply
    2,190,678.24x = 3,038,602.26 × 2,132,416.56
  4. Step 4: Simplify right side
    2,190,678.24x = 6,479,565,778,477.43
  5. Step 5: Solve for x
    x = 6,479,565,778,477.43/2,190,678.24
  6. Step 6: Final answer
    x = 2,957,789.81

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.