Home / 1,926,111.20-2,889,627.60-928,018.40

Finding the Fourth Proportional to 1,926,111.20, 2,889,627.60 and 928,018.40

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Solution

The fourth proportional to 1,926,111.20, 2,889,627.60 and 928,018.40 is: 1,392,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,111.20 : 2,889,627.60 = 928,018.40 : x
  2. Step 2: Convert to fraction form
    1,926,111.20/2,889,627.60 = 928,018.40/x
  3. Step 3: Cross multiply
    1,926,111.20x = 2,889,627.60 × 928,018.40
  4. Step 4: Simplify right side
    1,926,111.20x = 2,681,627,581,947.84
  5. Step 5: Solve for x
    x = 2,681,627,581,947.84/1,926,111.20
  6. Step 6: Final answer
    x = 1,392,249.62

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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.