Home / 2,990,816.10-4,486,807.35-1,284,956.10

Finding the Fourth Proportional to 2,990,816.10, 4,486,807.35 and 1,284,956.10

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Solution

The fourth proportional to 2,990,816.10, 4,486,807.35 and 1,284,956.10 is: 1,927,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,816.10 : 4,486,807.35 = 1,284,956.10 : x
  2. Step 2: Convert to fraction form
    2,990,816.10/4,486,807.35 = 1,284,956.10/x
  3. Step 3: Cross multiply
    2,990,816.10x = 4,486,807.35 × 1,284,956.10
  4. Step 4: Simplify right side
    2,990,816.10x = 5,765,350,473,907.34
  5. Step 5: Solve for x
    x = 5,765,350,473,907.34/2,990,816.10
  6. Step 6: Final answer
    x = 1,927,684.71

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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.