Home / 1,911,531.84-2,867,942.88-846,427.20

Finding the Fourth Proportional to 1,911,531.84, 2,867,942.88 and 846,427.20

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Solution

The fourth proportional to 1,911,531.84, 2,867,942.88 and 846,427.20 is: 1,269,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,531.84 : 2,867,942.88 = 846,427.20 : x
  2. Step 2: Convert to fraction form
    1,911,531.84/2,867,942.88 = 846,427.20/x
  3. Step 3: Cross multiply
    1,911,531.84x = 2,867,942.88 × 846,427.20
  4. Step 4: Simplify right side
    1,911,531.84x = 2,427,504,861,678.34
  5. Step 5: Solve for x
    x = 2,427,504,861,678.34/1,911,531.84
  6. Step 6: Final answer
    x = 1,269,926.46

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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.