Home / 3,315,941.10-4,973,911.20-919,785.84

Finding the Fourth Proportional to 3,315,941.10, 4,973,911.20 and 919,785.84

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Solution

The fourth proportional to 3,315,941.10, 4,973,911.20 and 919,785.84 is: 1,379,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,941.10 : 4,973,911.20 = 919,785.84 : x
  2. Step 2: Convert to fraction form
    3,315,941.10/4,973,911.20 = 919,785.84/x
  3. Step 3: Cross multiply
    3,315,941.10x = 4,973,911.20 × 919,785.84
  4. Step 4: Simplify right side
    3,315,941.10x = 4,574,933,091,177.41
  5. Step 5: Solve for x
    x = 4,574,933,091,177.41/3,315,941.10
  6. Step 6: Final answer
    x = 1,379,678.64

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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.