Home / 2,112,247.43-3,168,939.84-1,087,019.02

Finding the Fourth Proportional to 2,112,247.43, 3,168,939.84 and 1,087,019.02

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Solution

The fourth proportional to 2,112,247.43, 3,168,939.84 and 1,087,019.02 is: 1,630,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,247.43 : 3,168,939.84 = 1,087,019.02 : x
  2. Step 2: Convert to fraction form
    2,112,247.43/3,168,939.84 = 1,087,019.02/x
  3. Step 3: Cross multiply
    2,112,247.43x = 3,168,939.84 × 1,087,019.02
  4. Step 4: Simplify right side
    2,112,247.43x = 3,444,697,879,315.76
  5. Step 5: Solve for x
    x = 3,444,697,879,315.76/2,112,247.43
  6. Step 6: Final answer
    x = 1,630,821.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.