Home / 2,105,442.60-3,159,257.40-983,511.60

Finding the Fourth Proportional to 2,105,442.60, 3,159,257.40 and 983,511.60

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Solution

The fourth proportional to 2,105,442.60, 3,159,257.40 and 983,511.60 is: 1,475,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,442.60 : 3,159,257.40 = 983,511.60 : x
  2. Step 2: Convert to fraction form
    2,105,442.60/3,159,257.40 = 983,511.60/x
  3. Step 3: Cross multiply
    2,105,442.60x = 3,159,257.40 × 983,511.60
  4. Step 4: Simplify right side
    2,105,442.60x = 3,107,166,300,285.84
  5. Step 5: Solve for x
    x = 3,107,166,300,285.84/2,105,442.60
  6. Step 6: Final answer
    x = 1,475,778.20

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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.