Home / 1,771,986.20-2,657,979.30-1,635,128.60

Finding the Fourth Proportional to 1,771,986.20, 2,657,979.30 and 1,635,128.60

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Solution

The fourth proportional to 1,771,986.20, 2,657,979.30 and 1,635,128.60 is: 2,452,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,986.20 : 2,657,979.30 = 1,635,128.60 : x
  2. Step 2: Convert to fraction form
    1,771,986.20/2,657,979.30 = 1,635,128.60/x
  3. Step 3: Cross multiply
    1,771,986.20x = 2,657,979.30 × 1,635,128.60
  4. Step 4: Simplify right side
    1,771,986.20x = 4,346,137,971,637.98
  5. Step 5: Solve for x
    x = 4,346,137,971,637.98/1,771,986.20
  6. Step 6: Final answer
    x = 2,452,692.90

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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.