Home / 1,812,561.90-2,718,843.06-863,053.98

Finding the Fourth Proportional to 1,812,561.90, 2,718,843.06 and 863,053.98

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Solution

The fourth proportional to 1,812,561.90, 2,718,843.06 and 863,053.98 is: 1,294,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,561.90 : 2,718,843.06 = 863,053.98 : x
  2. Step 2: Convert to fraction form
    1,812,561.90/2,718,843.06 = 863,053.98/x
  3. Step 3: Cross multiply
    1,812,561.90x = 2,718,843.06 × 863,053.98
  4. Step 4: Simplify right side
    1,812,561.90x = 2,346,508,323,928.38
  5. Step 5: Solve for x
    x = 2,346,508,323,928.38/1,812,561.90
  6. Step 6: Final answer
    x = 1,294,581.07

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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.