Home / 1,885,376.05-2,604,443.22-1,815,381.38

Finding the Fourth Proportional to 1,885,376.05, 2,604,443.22 and 1,815,381.38

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Solution

The fourth proportional to 1,885,376.05, 2,604,443.22 and 1,815,381.38 is: 2,507,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,376.05 : 2,604,443.22 = 1,815,381.38 : x
  2. Step 2: Convert to fraction form
    1,885,376.05/2,604,443.22 = 1,815,381.38/x
  3. Step 3: Cross multiply
    1,885,376.05x = 2,604,443.22 × 1,815,381.38
  4. Step 4: Simplify right side
    1,885,376.05x = 4,728,057,733,366.35
  5. Step 5: Solve for x
    x = 4,728,057,733,366.35/1,885,376.05
  6. Step 6: Final answer
    x = 2,507,753.16

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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.