Home / 1,820,547.72-2,716,978.44-1,618,771.44

Finding the Fourth Proportional to 1,820,547.72, 2,716,978.44 and 1,618,771.44

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Solution

The fourth proportional to 1,820,547.72, 2,716,978.44 and 1,618,771.44 is: 2,415,848.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,547.72 : 2,716,978.44 = 1,618,771.44 : x
  2. Step 2: Convert to fraction form
    1,820,547.72/2,716,978.44 = 1,618,771.44/x
  3. Step 3: Cross multiply
    1,820,547.72x = 2,716,978.44 × 1,618,771.44
  4. Step 4: Simplify right side
    1,820,547.72x = 4,398,167,101,767.75
  5. Step 5: Solve for x
    x = 4,398,167,101,767.75/1,820,547.72
  6. Step 6: Final answer
    x = 2,415,848.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.