Home / 1,667,803-2,301,815.20-1,056,012.64

Finding the Fourth Proportional to 1,667,803, 2,301,815.20 and 1,056,012.64

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Solution

The fourth proportional to 1,667,803, 2,301,815.20 and 1,056,012.64 is: 1,457,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,803 : 2,301,815.20 = 1,056,012.64 : x
  2. Step 2: Convert to fraction form
    1,667,803/2,301,815.20 = 1,056,012.64/x
  3. Step 3: Cross multiply
    1,667,803x = 2,301,815.20 × 1,056,012.64
  4. Step 4: Simplify right side
    1,667,803x = 2,430,745,946,144.13
  5. Step 5: Solve for x
    x = 2,430,745,946,144.13/1,667,803
  6. Step 6: Final answer
    x = 1,457,453.88

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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.