Home / 2,133,415.72-2,944,855.02-1,228,358.44

Finding the Fourth Proportional to 2,133,415.72, 2,944,855.02 and 1,228,358.44

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Solution

The fourth proportional to 2,133,415.72, 2,944,855.02 and 1,228,358.44 is: 1,695,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,415.72 : 2,944,855.02 = 1,228,358.44 : x
  2. Step 2: Convert to fraction form
    2,133,415.72/2,944,855.02 = 1,228,358.44/x
  3. Step 3: Cross multiply
    2,133,415.72x = 2,944,855.02 × 1,228,358.44
  4. Step 4: Simplify right side
    2,133,415.72x = 3,617,337,518,393.37
  5. Step 5: Solve for x
    x = 3,617,337,518,393.37/2,133,415.72
  6. Step 6: Final answer
    x = 1,695,561.48

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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.