Home / 2,155,453.20-2,974,724.46-1,237,802.58

Finding the Fourth Proportional to 2,155,453.20, 2,974,724.46 and 1,237,802.58

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Solution

The fourth proportional to 2,155,453.20, 2,974,724.46 and 1,237,802.58 is: 1,708,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,453.20 : 2,974,724.46 = 1,237,802.58 : x
  2. Step 2: Convert to fraction form
    2,155,453.20/2,974,724.46 = 1,237,802.58/x
  3. Step 3: Cross multiply
    2,155,453.20x = 2,974,724.46 × 1,237,802.58
  4. Step 4: Simplify right side
    2,155,453.20x = 3,682,121,611,377.11
  5. Step 5: Solve for x
    x = 3,682,121,611,377.11/2,155,453.20
  6. Step 6: Final answer
    x = 1,708,281.86

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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.