Home / 3,146,780.73-4,718,869.83-987,085.47

Finding the Fourth Proportional to 3,146,780.73, 4,718,869.83 and 987,085.47

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Solution

The fourth proportional to 3,146,780.73, 4,718,869.83 and 987,085.47 is: 1,480,220.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,780.73 : 4,718,869.83 = 987,085.47 : x
  2. Step 2: Convert to fraction form
    3,146,780.73/4,718,869.83 = 987,085.47/x
  3. Step 3: Cross multiply
    3,146,780.73x = 4,718,869.83 × 987,085.47
  4. Step 4: Simplify right side
    3,146,780.73x = 4,657,927,844,014.37
  5. Step 5: Solve for x
    x = 4,657,927,844,014.37/3,146,780.73
  6. Step 6: Final answer
    x = 1,480,220.02

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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.