Home / 2,166,692.14-2,990,030.32-1,248,915.21

Finding the Fourth Proportional to 2,166,692.14, 2,990,030.32 and 1,248,915.21

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Solution

The fourth proportional to 2,166,692.14, 2,990,030.32 and 1,248,915.21 is: 1,723,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,692.14 : 2,990,030.32 = 1,248,915.21 : x
  2. Step 2: Convert to fraction form
    2,166,692.14/2,990,030.32 = 1,248,915.21/x
  3. Step 3: Cross multiply
    2,166,692.14x = 2,990,030.32 × 1,248,915.21
  4. Step 4: Simplify right side
    2,166,692.14x = 3,734,294,323,814.44
  5. Step 5: Solve for x
    x = 3,734,294,323,814.44/2,166,692.14
  6. Step 6: Final answer
    x = 1,723,500.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.