Home / 2,022,175.26-2,789,320.32-1,537,678.20

Finding the Fourth Proportional to 2,022,175.26, 2,789,320.32 and 1,537,678.20

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Solution

The fourth proportional to 2,022,175.26, 2,789,320.32 and 1,537,678.20 is: 2,121,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022,175.26 : 2,789,320.32 = 1,537,678.20 : x
  2. Step 2: Convert to fraction form
    2,022,175.26/2,789,320.32 = 1,537,678.20/x
  3. Step 3: Cross multiply
    2,022,175.26x = 2,789,320.32 × 1,537,678.20
  4. Step 4: Simplify right side
    2,022,175.26x = 4,289,077,048,881.02
  5. Step 5: Solve for x
    x = 4,289,077,048,881.02/2,022,175.26
  6. Step 6: Final answer
    x = 2,121,021.42

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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.