Home / 3,146,774.26-4,718,860.08-987,079

Finding the Fourth Proportional to 3,146,774.26, 4,718,860.08 and 987,079

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Solution

The fourth proportional to 3,146,774.26, 4,718,860.08 and 987,079 is: 1,480,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,774.26 : 4,718,860.08 = 987,079 : x
  2. Step 2: Convert to fraction form
    3,146,774.26/4,718,860.08 = 987,079/x
  3. Step 3: Cross multiply
    3,146,774.26x = 4,718,860.08 × 987,079
  4. Step 4: Simplify right side
    3,146,774.26x = 4,657,887,688,906.32
  5. Step 5: Solve for x
    x = 4,657,887,688,906.32/3,146,774.26
  6. Step 6: Final answer
    x = 1,480,210.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.