Home / 1,691,038-2,334,857.16-1,088,475.76

Finding the Fourth Proportional to 1,691,038, 2,334,857.16 and 1,088,475.76

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Solution

The fourth proportional to 1,691,038, 2,334,857.16 and 1,088,475.76 is: 1,502,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,038 : 2,334,857.16 = 1,088,475.76 : x
  2. Step 2: Convert to fraction form
    1,691,038/2,334,857.16 = 1,088,475.76/x
  3. Step 3: Cross multiply
    1,691,038x = 2,334,857.16 × 1,088,475.76
  4. Step 4: Simplify right side
    1,691,038x = 2,541,435,421,722.44
  5. Step 5: Solve for x
    x = 2,541,435,421,722.44/1,691,038
  6. Step 6: Final answer
    x = 1,502,884.87

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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.