Home / 2,158,179.84-3,237,267.60-641,856.60

Finding the Fourth Proportional to 2,158,179.84, 3,237,267.60 and 641,856.60

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Solution

The fourth proportional to 2,158,179.84, 3,237,267.60 and 641,856.60 is: 962,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,179.84 : 3,237,267.60 = 641,856.60 : x
  2. Step 2: Convert to fraction form
    2,158,179.84/3,237,267.60 = 641,856.60/x
  3. Step 3: Cross multiply
    2,158,179.84x = 3,237,267.60 × 641,856.60
  4. Step 4: Simplify right side
    2,158,179.84x = 2,077,861,575,026.16
  5. Step 5: Solve for x
    x = 2,077,861,575,026.16/2,158,179.84
  6. Step 6: Final answer
    x = 962,784.26

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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.