Home / 3,788,912.61-5,679,539.37-1,631,345.04

Finding the Fourth Proportional to 3,788,912.61, 5,679,539.37 and 1,631,345.04

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Solution

The fourth proportional to 3,788,912.61, 5,679,539.37 and 1,631,345.04 is: 2,445,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,912.61 : 5,679,539.37 = 1,631,345.04 : x
  2. Step 2: Convert to fraction form
    3,788,912.61/5,679,539.37 = 1,631,345.04/x
  3. Step 3: Cross multiply
    3,788,912.61x = 5,679,539.37 × 1,631,345.04
  4. Step 4: Simplify right side
    3,788,912.61x = 9,265,288,380,734.23
  5. Step 5: Solve for x
    x = 9,265,288,380,734.23/3,788,912.61
  6. Step 6: Final answer
    x = 2,445,368.72

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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.