Home / 1,905,172.75-2,629,146.85-1,045,740.07

Finding the Fourth Proportional to 1,905,172.75, 2,629,146.85 and 1,045,740.07

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Solution

The fourth proportional to 1,905,172.75, 2,629,146.85 and 1,045,740.07 is: 1,443,125.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,172.75 : 2,629,146.85 = 1,045,740.07 : x
  2. Step 2: Convert to fraction form
    1,905,172.75/2,629,146.85 = 1,045,740.07/x
  3. Step 3: Cross multiply
    1,905,172.75x = 2,629,146.85 × 1,045,740.07
  4. Step 4: Simplify right side
    1,905,172.75x = 2,749,404,217,513.65
  5. Step 5: Solve for x
    x = 2,749,404,217,513.65/1,905,172.75
  6. Step 6: Final answer
    x = 1,443,125.94

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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.