Home / 1,678,511.40-2,517,767.10-1,450,188.60

Finding the Fourth Proportional to 1,678,511.40, 2,517,767.10 and 1,450,188.60

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Solution

The fourth proportional to 1,678,511.40, 2,517,767.10 and 1,450,188.60 is: 2,175,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,511.40 : 2,517,767.10 = 1,450,188.60 : x
  2. Step 2: Convert to fraction form
    1,678,511.40/2,517,767.10 = 1,450,188.60/x
  3. Step 3: Cross multiply
    1,678,511.40x = 2,517,767.10 × 1,450,188.60
  4. Step 4: Simplify right side
    1,678,511.40x = 3,651,237,145,875.06
  5. Step 5: Solve for x
    x = 3,651,237,145,875.06/1,678,511.40
  6. Step 6: Final answer
    x = 2,175,282.90

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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.