Home / 1,874,568.52-2,586,905.96-1,015,129.72

Finding the Fourth Proportional to 1,874,568.52, 2,586,905.96 and 1,015,129.72

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Solution

The fourth proportional to 1,874,568.52, 2,586,905.96 and 1,015,129.72 is: 1,400,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,568.52 : 2,586,905.96 = 1,015,129.72 : x
  2. Step 2: Convert to fraction form
    1,874,568.52/2,586,905.96 = 1,015,129.72/x
  3. Step 3: Cross multiply
    1,874,568.52x = 2,586,905.96 × 1,015,129.72
  4. Step 4: Simplify right side
    1,874,568.52x = 2,626,045,122,841.13
  5. Step 5: Solve for x
    x = 2,626,045,122,841.13/1,874,568.52
  6. Step 6: Final answer
    x = 1,400,879.77

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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.