Home / 2,153,405.54-2,969,703.00-1,571,707.92

Finding the Fourth Proportional to 2,153,405.54, 2,969,703.00 and 1,571,707.92

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Solution

The fourth proportional to 2,153,405.54, 2,969,703.00 and 1,571,707.92 is: 2,167,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,405.54 : 2,969,703.00 = 1,571,707.92 : x
  2. Step 2: Convert to fraction form
    2,153,405.54/2,969,703.00 = 1,571,707.92/x
  3. Step 3: Cross multiply
    2,153,405.54x = 2,969,703.00 × 1,571,707.92
  4. Step 4: Simplify right side
    2,153,405.54x = 4,667,505,732,478.43
  5. Step 5: Solve for x
    x = 4,667,505,732,478.43/2,153,405.54
  6. Step 6: Final answer
    x = 2,167,499.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.