Home / 3,116,700.28-4,674,582.78-986,508.28

Finding the Fourth Proportional to 3,116,700.28, 4,674,582.78 and 986,508.28

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Solution

The fourth proportional to 3,116,700.28, 4,674,582.78 and 986,508.28 is: 1,479,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,700.28 : 4,674,582.78 = 986,508.28 : x
  2. Step 2: Convert to fraction form
    3,116,700.28/4,674,582.78 = 986,508.28/x
  3. Step 3: Cross multiply
    3,116,700.28x = 4,674,582.78 × 986,508.28
  4. Step 4: Simplify right side
    3,116,700.28x = 4,611,514,618,015.42
  5. Step 5: Solve for x
    x = 4,611,514,618,015.42/3,116,700.28
  6. Step 6: Final answer
    x = 1,479,614.40

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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.