Home / 2,105,459.28-2,905,485.26-1,246,033.89

Finding the Fourth Proportional to 2,105,459.28, 2,905,485.26 and 1,246,033.89

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Solution

The fourth proportional to 2,105,459.28, 2,905,485.26 and 1,246,033.89 is: 1,719,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,459.28 : 2,905,485.26 = 1,246,033.89 : x
  2. Step 2: Convert to fraction form
    2,105,459.28/2,905,485.26 = 1,246,033.89/x
  3. Step 3: Cross multiply
    2,105,459.28x = 2,905,485.26 × 1,246,033.89
  4. Step 4: Simplify right side
    2,105,459.28x = 3,620,333,094,625.29
  5. Step 5: Solve for x
    x = 3,620,333,094,625.29/2,105,459.28
  6. Step 6: Final answer
    x = 1,719,498.03

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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.