Home / 1,889,694.77-2,607,794.06-1,030,261.28

Finding the Fourth Proportional to 1,889,694.77, 2,607,794.06 and 1,030,261.28

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Solution

The fourth proportional to 1,889,694.77, 2,607,794.06 and 1,030,261.28 is: 1,421,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,694.77 : 2,607,794.06 = 1,030,261.28 : x
  2. Step 2: Convert to fraction form
    1,889,694.77/2,607,794.06 = 1,030,261.28/x
  3. Step 3: Cross multiply
    1,889,694.77x = 2,607,794.06 × 1,030,261.28
  4. Step 4: Simplify right side
    1,889,694.77x = 2,686,709,228,041.72
  5. Step 5: Solve for x
    x = 2,686,709,228,041.72/1,889,694.77
  6. Step 6: Final answer
    x = 1,421,768.89

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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.