Home / 1,964,203.32-2,945,445.89-990,968.67

Finding the Fourth Proportional to 1,964,203.32, 2,945,445.89 and 990,968.67

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Solution

The fourth proportional to 1,964,203.32, 2,945,445.89 and 990,968.67 is: 1,486,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,203.32 : 2,945,445.89 = 990,968.67 : x
  2. Step 2: Convert to fraction form
    1,964,203.32/2,945,445.89 = 990,968.67/x
  3. Step 3: Cross multiply
    1,964,203.32x = 2,945,445.89 × 990,968.67
  4. Step 4: Simplify right side
    1,964,203.32x = 2,918,844,591,215.42
  5. Step 5: Solve for x
    x = 2,918,844,591,215.42/1,964,203.32
  6. Step 6: Final answer
    x = 1,486,019.58

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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.