Home / 1,811,935.40-2,718,231.15-911,110.10

Finding the Fourth Proportional to 1,811,935.40, 2,718,231.15 and 911,110.10

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Solution

The fourth proportional to 1,811,935.40, 2,718,231.15 and 911,110.10 is: 1,366,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,935.40 : 2,718,231.15 = 911,110.10 : x
  2. Step 2: Convert to fraction form
    1,811,935.40/2,718,231.15 = 911,110.10/x
  3. Step 3: Cross multiply
    1,811,935.40x = 2,718,231.15 × 911,110.10
  4. Step 4: Simplify right side
    1,811,935.40x = 2,476,607,854,899.61
  5. Step 5: Solve for x
    x = 2,476,607,854,899.61/1,811,935.40
  6. Step 6: Final answer
    x = 1,366,830.11

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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.