Home / 3,580,678.51-4,941,399.39-1,949,132.77

Finding the Fourth Proportional to 3,580,678.51, 4,941,399.39 and 1,949,132.77

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Solution

The fourth proportional to 3,580,678.51, 4,941,399.39 and 1,949,132.77 is: 2,689,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580,678.51 : 4,941,399.39 = 1,949,132.77 : x
  2. Step 2: Convert to fraction form
    3,580,678.51/4,941,399.39 = 1,949,132.77/x
  3. Step 3: Cross multiply
    3,580,678.51x = 4,941,399.39 × 1,949,132.77
  4. Step 4: Simplify right side
    3,580,678.51x = 9,631,443,480,707.01
  5. Step 5: Solve for x
    x = 9,631,443,480,707.01/3,580,678.51
  6. Step 6: Final answer
    x = 2,689,837.54

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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.