Home / 3,234,143.40-4,851,215.10-990,277.80

Finding the Fourth Proportional to 3,234,143.40, 4,851,215.10 and 990,277.80

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Solution

The fourth proportional to 3,234,143.40, 4,851,215.10 and 990,277.80 is: 1,485,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234,143.40 : 4,851,215.10 = 990,277.80 : x
  2. Step 2: Convert to fraction form
    3,234,143.40/4,851,215.10 = 990,277.80/x
  3. Step 3: Cross multiply
    3,234,143.40x = 4,851,215.10 × 990,277.80
  4. Step 4: Simplify right side
    3,234,143.40x = 4,804,050,616,554.78
  5. Step 5: Solve for x
    x = 4,804,050,616,554.78/3,234,143.40
  6. Step 6: Final answer
    x = 1,485,416.70

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Double scale
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Similar ratio
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1.5x scale

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.