Home / 5,275,187.46-7,911,674.01-1,487,784.60

Finding the Fourth Proportional to 5,275,187.46, 7,911,674.01 and 1,487,784.60

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Solution

The fourth proportional to 5,275,187.46, 7,911,674.01 and 1,487,784.60 is: 2,231,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,187.46 : 7,911,674.01 = 1,487,784.60 : x
  2. Step 2: Convert to fraction form
    5,275,187.46/7,911,674.01 = 1,487,784.60/x
  3. Step 3: Cross multiply
    5,275,187.46x = 7,911,674.01 × 1,487,784.60
  4. Step 4: Simplify right side
    5,275,187.46x = 11,770,866,744,859.32
  5. Step 5: Solve for x
    x = 11,770,866,744,859.32/5,275,187.46
  6. Step 6: Final answer
    x = 2,231,364.64

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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.