Home / 1,889,189.40-2,607,107.27-1,029,747.81

Finding the Fourth Proportional to 1,889,189.40, 2,607,107.27 and 1,029,747.81

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Solution

The fourth proportional to 1,889,189.40, 2,607,107.27 and 1,029,747.81 is: 1,421,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,189.40 : 2,607,107.27 = 1,029,747.81 : x
  2. Step 2: Convert to fraction form
    1,889,189.40/2,607,107.27 = 1,029,747.81/x
  3. Step 3: Cross multiply
    1,889,189.40x = 2,607,107.27 × 1,029,747.81
  4. Step 4: Simplify right side
    1,889,189.40x = 2,684,663,004,291.95
  5. Step 5: Solve for x
    x = 2,684,663,004,291.95/1,889,189.40
  6. Step 6: Final answer
    x = 1,421,066.10

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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.