Home / 1,995,902.45-2,754,346.40-1,078,131.55

Finding the Fourth Proportional to 1,995,902.45, 2,754,346.40 and 1,078,131.55

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Solution

The fourth proportional to 1,995,902.45, 2,754,346.40 and 1,078,131.55 is: 1,487,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,902.45 : 2,754,346.40 = 1,078,131.55 : x
  2. Step 2: Convert to fraction form
    1,995,902.45/2,754,346.40 = 1,078,131.55/x
  3. Step 3: Cross multiply
    1,995,902.45x = 2,754,346.40 × 1,078,131.55
  4. Step 4: Simplify right side
    1,995,902.45x = 2,969,547,741,192.40
  5. Step 5: Solve for x
    x = 2,969,547,741,192.40/1,995,902.45
  6. Step 6: Final answer
    x = 1,487,822.08

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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.