Home / 1,889,915.40-2,834,884.40-469,971.50

Finding the Fourth Proportional to 1,889,915.40, 2,834,884.40 and 469,971.50

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Solution

The fourth proportional to 1,889,915.40, 2,834,884.40 and 469,971.50 is: 704,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,915.40 : 2,834,884.40 = 469,971.50 : x
  2. Step 2: Convert to fraction form
    1,889,915.40/2,834,884.40 = 469,971.50/x
  3. Step 3: Cross multiply
    1,889,915.40x = 2,834,884.40 × 469,971.50
  4. Step 4: Simplify right side
    1,889,915.40x = 1,332,314,857,270.32
  5. Step 5: Solve for x
    x = 1,332,314,857,270.32/1,889,915.40
  6. Step 6: Final answer
    x = 704,960.05

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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.