Home / 1,850,783.40-2,777,211.90-785,644.20

Finding the Fourth Proportional to 1,850,783.40, 2,777,211.90 and 785,644.20

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Solution

The fourth proportional to 1,850,783.40, 2,777,211.90 and 785,644.20 is: 1,178,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850,783.40 : 2,777,211.90 = 785,644.20 : x
  2. Step 2: Convert to fraction form
    1,850,783.40/2,777,211.90 = 785,644.20/x
  3. Step 3: Cross multiply
    1,850,783.40x = 2,777,211.90 × 785,644.20
  4. Step 4: Simplify right side
    1,850,783.40x = 2,181,900,421,405.98
  5. Step 5: Solve for x
    x = 2,181,900,421,405.98/1,850,783.40
  6. Step 6: Final answer
    x = 1,178,906.41

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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.