Home / 3,178,152.34-4,767,188.19-782,026.90

Finding the Fourth Proportional to 3,178,152.34, 4,767,188.19 and 782,026.90

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Solution

The fourth proportional to 3,178,152.34, 4,767,188.19 and 782,026.90 is: 1,173,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,152.34 : 4,767,188.19 = 782,026.90 : x
  2. Step 2: Convert to fraction form
    3,178,152.34/4,767,188.19 = 782,026.90/x
  3. Step 3: Cross multiply
    3,178,152.34x = 4,767,188.19 × 782,026.90
  4. Step 4: Simplify right side
    3,178,152.34x = 3,728,069,401,942.31
  5. Step 5: Solve for x
    x = 3,728,069,401,942.31/3,178,152.34
  6. Step 6: Final answer
    x = 1,173,030.43

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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.