Home / 1,885,609.72-2,605,185.75-1,315,196.38

Finding the Fourth Proportional to 1,885,609.72, 2,605,185.75 and 1,315,196.38

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Solution

The fourth proportional to 1,885,609.72, 2,605,185.75 and 1,315,196.38 is: 1,817,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,609.72 : 2,605,185.75 = 1,315,196.38 : x
  2. Step 2: Convert to fraction form
    1,885,609.72/2,605,185.75 = 1,315,196.38/x
  3. Step 3: Cross multiply
    1,885,609.72x = 2,605,185.75 × 1,315,196.38
  4. Step 4: Simplify right side
    1,885,609.72x = 3,426,330,867,627.58
  5. Step 5: Solve for x
    x = 3,426,330,867,627.58/1,885,609.72
  6. Step 6: Final answer
    x = 1,817,094.40

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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.