Home / 4,877,999.40-7,316,999.10-3,177,388.20

Finding the Fourth Proportional to 4,877,999.40, 7,316,999.10 and 3,177,388.20

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Solution

The fourth proportional to 4,877,999.40, 7,316,999.10 and 3,177,388.20 is: 4,766,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877,999.40 : 7,316,999.10 = 3,177,388.20 : x
  2. Step 2: Convert to fraction form
    4,877,999.40/7,316,999.10 = 3,177,388.20/x
  3. Step 3: Cross multiply
    4,877,999.40x = 7,316,999.10 × 3,177,388.20
  4. Step 4: Simplify right side
    4,877,999.40x = 23,248,946,599,750.62
  5. Step 5: Solve for x
    x = 23,248,946,599,750.62/4,877,999.40
  6. Step 6: Final answer
    x = 4,766,082.30

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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.