Home / 2,199,628.95-3,299,279.40-919,905.90

Finding the Fourth Proportional to 2,199,628.95, 3,299,279.40 and 919,905.90

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Solution

The fourth proportional to 2,199,628.95, 3,299,279.40 and 919,905.90 is: 1,379,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,628.95 : 3,299,279.40 = 919,905.90 : x
  2. Step 2: Convert to fraction form
    2,199,628.95/3,299,279.40 = 919,905.90/x
  3. Step 3: Cross multiply
    2,199,628.95x = 3,299,279.40 × 919,905.90
  4. Step 4: Simplify right side
    2,199,628.95x = 3,035,026,585,808.46
  5. Step 5: Solve for x
    x = 3,035,026,585,808.46/2,199,628.95
  6. Step 6: Final answer
    x = 1,379,790.25

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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.