Home / 1,900,500.84-2,851,688.03-889,691.31

Finding the Fourth Proportional to 1,900,500.84, 2,851,688.03 and 889,691.31

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Solution

The fourth proportional to 1,900,500.84, 2,851,688.03 and 889,691.31 is: 1,334,975.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,500.84 : 2,851,688.03 = 889,691.31 : x
  2. Step 2: Convert to fraction form
    1,900,500.84/2,851,688.03 = 889,691.31/x
  3. Step 3: Cross multiply
    1,900,500.84x = 2,851,688.03 × 889,691.31
  4. Step 4: Simplify right side
    1,900,500.84x = 2,537,122,054,673.56
  5. Step 5: Solve for x
    x = 2,537,122,054,673.56/1,900,500.84
  6. Step 6: Final answer
    x = 1,334,975.50

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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.