Home / 4,212,004.80-6,318,007.20-1,689,470.40

Finding the Fourth Proportional to 4,212,004.80, 6,318,007.20 and 1,689,470.40

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Solution

The fourth proportional to 4,212,004.80, 6,318,007.20 and 1,689,470.40 is: 2,534,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212,004.80 : 6,318,007.20 = 1,689,470.40 : x
  2. Step 2: Convert to fraction form
    4,212,004.80/6,318,007.20 = 1,689,470.40/x
  3. Step 3: Cross multiply
    4,212,004.80x = 6,318,007.20 × 1,689,470.40
  4. Step 4: Simplify right side
    4,212,004.80x = 10,674,086,151,386.88
  5. Step 5: Solve for x
    x = 10,674,086,151,386.88/4,212,004.80
  6. Step 6: Final answer
    x = 2,534,205.60

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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.