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Finding the Fourth Proportional to 1,995,304.40, 2,990,915.40 and 982,869.20

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Solution

The fourth proportional to 1,995,304.40, 2,990,915.40 and 982,869.20 is: 1,473,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,304.40 : 2,990,915.40 = 982,869.20 : x
  2. Step 2: Convert to fraction form
    1,995,304.40/2,990,915.40 = 982,869.20/x
  3. Step 3: Cross multiply
    1,995,304.40x = 2,990,915.40 × 982,869.20
  4. Step 4: Simplify right side
    1,995,304.40x = 2,939,678,626,465.68
  5. Step 5: Solve for x
    x = 2,939,678,626,465.68/1,995,304.40
  6. Step 6: Final answer
    x = 1,473,298.32

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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.