Home / 3,116,135.40-4,673,328.30-986,872.20

Finding the Fourth Proportional to 3,116,135.40, 4,673,328.30 and 986,872.20

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Solution

The fourth proportional to 3,116,135.40, 4,673,328.30 and 986,872.20 is: 1,480,031.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,135.40 : 4,673,328.30 = 986,872.20 : x
  2. Step 2: Convert to fraction form
    3,116,135.40/4,673,328.30 = 986,872.20/x
  3. Step 3: Cross multiply
    3,116,135.40x = 4,673,328.30 × 986,872.20
  4. Step 4: Simplify right side
    3,116,135.40x = 4,611,977,780,743.26
  5. Step 5: Solve for x
    x = 4,611,977,780,743.26/3,116,135.40
  6. Step 6: Final answer
    x = 1,480,031.25

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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.