Home / 1,915,687.08-2,640,901.32-1,507,079.27

Finding the Fourth Proportional to 1,915,687.08, 2,640,901.32 and 1,507,079.27

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Solution

The fourth proportional to 1,915,687.08, 2,640,901.32 and 1,507,079.27 is: 2,077,608.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,687.08 : 2,640,901.32 = 1,507,079.27 : x
  2. Step 2: Convert to fraction form
    1,915,687.08/2,640,901.32 = 1,507,079.27/x
  3. Step 3: Cross multiply
    1,915,687.08x = 2,640,901.32 × 1,507,079.27
  4. Step 4: Simplify right side
    1,915,687.08x = 3,980,047,625,234.82
  5. Step 5: Solve for x
    x = 3,980,047,625,234.82/1,915,687.08
  6. Step 6: Final answer
    x = 2,077,608.43

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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.