Home / 2,118,260.34-3,175,604.76-919,279.50

Finding the Fourth Proportional to 2,118,260.34, 3,175,604.76 and 919,279.50

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Solution

The fourth proportional to 2,118,260.34, 3,175,604.76 and 919,279.50 is: 1,378,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,260.34 : 3,175,604.76 = 919,279.50 : x
  2. Step 2: Convert to fraction form
    2,118,260.34/3,175,604.76 = 919,279.50/x
  3. Step 3: Cross multiply
    2,118,260.34x = 3,175,604.76 × 919,279.50
  4. Step 4: Simplify right side
    2,118,260.34x = 2,919,268,355,970.42
  5. Step 5: Solve for x
    x = 2,919,268,355,970.42/2,118,260.34
  6. Step 6: Final answer
    x = 1,378,144.27

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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.