Home / 1,639,128.10-2,458,692.15-1,607,635.30

Finding the Fourth Proportional to 1,639,128.10, 2,458,692.15 and 1,607,635.30

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Solution

The fourth proportional to 1,639,128.10, 2,458,692.15 and 1,607,635.30 is: 2,411,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,128.10 : 2,458,692.15 = 1,607,635.30 : x
  2. Step 2: Convert to fraction form
    1,639,128.10/2,458,692.15 = 1,607,635.30/x
  3. Step 3: Cross multiply
    1,639,128.10x = 2,458,692.15 × 1,607,635.30
  4. Step 4: Simplify right side
    1,639,128.10x = 3,952,680,292,172.90
  5. Step 5: Solve for x
    x = 3,952,680,292,172.90/1,639,128.10
  6. Step 6: Final answer
    x = 2,411,452.95

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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.