Home / 2,627,988-3,626,628.36-1,420,764

Finding the Fourth Proportional to 2,627,988, 3,626,628.36 and 1,420,764

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Solution

The fourth proportional to 2,627,988, 3,626,628.36 and 1,420,764 is: 1,960,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627,988 : 3,626,628.36 = 1,420,764 : x
  2. Step 2: Convert to fraction form
    2,627,988/3,626,628.36 = 1,420,764/x
  3. Step 3: Cross multiply
    2,627,988x = 3,626,628.36 × 1,420,764
  4. Step 4: Simplify right side
    2,627,988x = 5,152,583,015,267.04
  5. Step 5: Solve for x
    x = 5,152,583,015,267.04/2,627,988
  6. Step 6: Final answer
    x = 1,960,656.98

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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.