Home / 1,937,900.60-2,908,578.90-1,138,182.20

Finding the Fourth Proportional to 1,937,900.60, 2,908,578.90 and 1,138,182.20

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Solution

The fourth proportional to 1,937,900.60, 2,908,578.90 and 1,138,182.20 is: 1,708,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,900.60 : 2,908,578.90 = 1,138,182.20 : x
  2. Step 2: Convert to fraction form
    1,937,900.60/2,908,578.90 = 1,138,182.20/x
  3. Step 3: Cross multiply
    1,937,900.60x = 2,908,578.90 × 1,138,182.20
  4. Step 4: Simplify right side
    1,937,900.60x = 3,310,492,731,275.58
  5. Step 5: Solve for x
    x = 3,310,492,731,275.58/1,937,900.60
  6. Step 6: Final answer
    x = 1,708,288.20

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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.