Home / 2,130,659.20-2,940,290.22-1,163,789.20

Finding the Fourth Proportional to 2,130,659.20, 2,940,290.22 and 1,163,789.20

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Solution

The fourth proportional to 2,130,659.20, 2,940,290.22 and 1,163,789.20 is: 1,606,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,659.20 : 2,940,290.22 = 1,163,789.20 : x
  2. Step 2: Convert to fraction form
    2,130,659.20/2,940,290.22 = 1,163,789.20/x
  3. Step 3: Cross multiply
    2,130,659.20x = 2,940,290.22 × 1,163,789.20
  4. Step 4: Simplify right side
    2,130,659.20x = 3,421,878,002,901.62
  5. Step 5: Solve for x
    x = 3,421,878,002,901.62/2,130,659.20
  6. Step 6: Final answer
    x = 1,606,018.46

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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.