Home / 3,531,915.40-5,298,662.84-1,288,053.40

Finding the Fourth Proportional to 3,531,915.40, 5,298,662.84 and 1,288,053.40

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Solution

The fourth proportional to 3,531,915.40, 5,298,662.84 and 1,288,053.40 is: 1,932,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,915.40 : 5,298,662.84 = 1,288,053.40 : x
  2. Step 2: Convert to fraction form
    3,531,915.40/5,298,662.84 = 1,288,053.40/x
  3. Step 3: Cross multiply
    3,531,915.40x = 5,298,662.84 × 1,288,053.40
  4. Step 4: Simplify right side
    3,531,915.40x = 6,824,960,686,515.66
  5. Step 5: Solve for x
    x = 6,824,960,686,515.66/3,531,915.40
  6. Step 6: Final answer
    x = 1,932,368.11

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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.