Home / 2,912,136.30-4,368,204.45-1,851,878.70

Finding the Fourth Proportional to 2,912,136.30, 4,368,204.45 and 1,851,878.70

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Solution

The fourth proportional to 2,912,136.30, 4,368,204.45 and 1,851,878.70 is: 2,777,818.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,136.30 : 4,368,204.45 = 1,851,878.70 : x
  2. Step 2: Convert to fraction form
    2,912,136.30/4,368,204.45 = 1,851,878.70/x
  3. Step 3: Cross multiply
    2,912,136.30x = 4,368,204.45 × 1,851,878.70
  4. Step 4: Simplify right side
    2,912,136.30x = 8,089,384,778,200.22
  5. Step 5: Solve for x
    x = 8,089,384,778,200.22/2,912,136.30
  6. Step 6: Final answer
    x = 2,777,818.05

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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.