Home / 2,642,783.40-3,964,175.10-1,845,621.90

Finding the Fourth Proportional to 2,642,783.40, 3,964,175.10 and 1,845,621.90

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Solution

The fourth proportional to 2,642,783.40, 3,964,175.10 and 1,845,621.90 is: 2,768,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,783.40 : 3,964,175.10 = 1,845,621.90 : x
  2. Step 2: Convert to fraction form
    2,642,783.40/3,964,175.10 = 1,845,621.90/x
  3. Step 3: Cross multiply
    2,642,783.40x = 3,964,175.10 × 1,845,621.90
  4. Step 4: Simplify right side
    2,642,783.40x = 7,316,368,379,994.69
  5. Step 5: Solve for x
    x = 7,316,368,379,994.69/2,642,783.40
  6. Step 6: Final answer
    x = 2,768,432.85

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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.