Home / 2,085,106.20-3,134,340.90-1,937,189.40

Finding the Fourth Proportional to 2,085,106.20, 3,134,340.90 and 1,937,189.40

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Solution

The fourth proportional to 2,085,106.20, 3,134,340.90 and 1,937,189.40 is: 2,911,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,106.20 : 3,134,340.90 = 1,937,189.40 : x
  2. Step 2: Convert to fraction form
    2,085,106.20/3,134,340.90 = 1,937,189.40/x
  3. Step 3: Cross multiply
    2,085,106.20x = 3,134,340.90 × 1,937,189.40
  4. Step 4: Simplify right side
    2,085,106.20x = 6,071,811,967,466.46
  5. Step 5: Solve for x
    x = 6,071,811,967,466.46/2,085,106.20
  6. Step 6: Final answer
    x = 2,911,991.71

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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.