Home / 6,457,694.40-9,686,541.60-5,760,964.80

Finding the Fourth Proportional to 6,457,694.40, 9,686,541.60 and 5,760,964.80

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Solution

The fourth proportional to 6,457,694.40, 9,686,541.60 and 5,760,964.80 is: 8,641,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,694.40 : 9,686,541.60 = 5,760,964.80 : x
  2. Step 2: Convert to fraction form
    6,457,694.40/9,686,541.60 = 5,760,964.80/x
  3. Step 3: Cross multiply
    6,457,694.40x = 9,686,541.60 × 5,760,964.80
  4. Step 4: Simplify right side
    6,457,694.40x = 55,803,825,191,335.68
  5. Step 5: Solve for x
    x = 55,803,825,191,335.68/6,457,694.40
  6. Step 6: Final answer
    x = 8,641,447.20

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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.