Home / 3,234,200.40-4,851,300.60-990,334.80

Finding the Fourth Proportional to 3,234,200.40, 4,851,300.60 and 990,334.80

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Solution

The fourth proportional to 3,234,200.40, 4,851,300.60 and 990,334.80 is: 1,485,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234,200.40 : 4,851,300.60 = 990,334.80 : x
  2. Step 2: Convert to fraction form
    3,234,200.40/4,851,300.60 = 990,334.80/x
  3. Step 3: Cross multiply
    3,234,200.40x = 4,851,300.60 × 990,334.80
  4. Step 4: Simplify right side
    3,234,200.40x = 4,804,411,809,440.88
  5. Step 5: Solve for x
    x = 4,804,411,809,440.88/3,234,200.40
  6. Step 6: Final answer
    x = 1,485,502.20

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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.