Home / 2,223,660.39-3,068,980.41-1,407,939.76

Finding the Fourth Proportional to 2,223,660.39, 3,068,980.41 and 1,407,939.76

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Solution

The fourth proportional to 2,223,660.39, 3,068,980.41 and 1,407,939.76 is: 1,943,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223,660.39 : 3,068,980.41 = 1,407,939.76 : x
  2. Step 2: Convert to fraction form
    2,223,660.39/3,068,980.41 = 1,407,939.76/x
  3. Step 3: Cross multiply
    2,223,660.39x = 3,068,980.41 × 1,407,939.76
  4. Step 4: Simplify right side
    2,223,660.39x = 4,320,939,541,900.10
  5. Step 5: Solve for x
    x = 4,320,939,541,900.10/2,223,660.39
  6. Step 6: Final answer
    x = 1,943,165.22

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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.