Home / 2,118,465.92-3,175,907.52-919,487.04

Finding the Fourth Proportional to 2,118,465.92, 3,175,907.52 and 919,487.04

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Solution

The fourth proportional to 2,118,465.92, 3,175,907.52 and 919,487.04 is: 1,378,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,465.92 : 3,175,907.52 = 919,487.04 : x
  2. Step 2: Convert to fraction form
    2,118,465.92/3,175,907.52 = 919,487.04/x
  3. Step 3: Cross multiply
    2,118,465.92x = 3,175,907.52 × 919,487.04
  4. Step 4: Simplify right side
    2,118,465.92x = 2,920,205,804,878.54
  5. Step 5: Solve for x
    x = 2,920,205,804,878.54/2,118,465.92
  6. Step 6: Final answer
    x = 1,378,453.05

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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.