Home / 1,995,912.18-2,754,359.95-1,078,141.32

Finding the Fourth Proportional to 1,995,912.18, 2,754,359.95 and 1,078,141.32

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Solution

The fourth proportional to 1,995,912.18, 2,754,359.95 and 1,078,141.32 is: 1,487,835.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,912.18 : 2,754,359.95 = 1,078,141.32 : x
  2. Step 2: Convert to fraction form
    1,995,912.18/2,754,359.95 = 1,078,141.32/x
  3. Step 3: Cross multiply
    1,995,912.18x = 2,754,359.95 × 1,078,141.32
  4. Step 4: Simplify right side
    1,995,912.18x = 2,969,589,272,248.13
  5. Step 5: Solve for x
    x = 2,969,589,272,248.13/1,995,912.18
  6. Step 6: Final answer
    x = 1,487,835.64

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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.