Home / 2,312,807.85-3,191,647.19-1,294,220.97

Finding the Fourth Proportional to 2,312,807.85, 3,191,647.19 and 1,294,220.97

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Solution

The fourth proportional to 2,312,807.85, 3,191,647.19 and 1,294,220.97 is: 1,786,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,807.85 : 3,191,647.19 = 1,294,220.97 : x
  2. Step 2: Convert to fraction form
    2,312,807.85/3,191,647.19 = 1,294,220.97/x
  3. Step 3: Cross multiply
    2,312,807.85x = 3,191,647.19 × 1,294,220.97
  4. Step 4: Simplify right side
    2,312,807.85x = 4,130,696,715,668.47
  5. Step 5: Solve for x
    x = 4,130,696,715,668.47/2,312,807.85
  6. Step 6: Final answer
    x = 1,786,009.47

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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.