Home / 3,116,015.40-4,673,148.30-986,752.20

Finding the Fourth Proportional to 3,116,015.40, 4,673,148.30 and 986,752.20

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Solution

The fourth proportional to 3,116,015.40, 4,673,148.30 and 986,752.20 is: 1,479,851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,015.40 : 4,673,148.30 = 986,752.20 : x
  2. Step 2: Convert to fraction form
    3,116,015.40/4,673,148.30 = 986,752.20/x
  3. Step 3: Cross multiply
    3,116,015.40x = 4,673,148.30 × 986,752.20
  4. Step 4: Simplify right side
    3,116,015.40x = 4,611,239,365,951.26
  5. Step 5: Solve for x
    x = 4,611,239,365,951.26/3,116,015.40
  6. Step 6: Final answer
    x = 1,479,851.28

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1.5x scale

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.