Home / 1,953,211.78-2,696,366.80-1,300,923.34

Finding the Fourth Proportional to 1,953,211.78, 2,696,366.80 and 1,300,923.34

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Solution

The fourth proportional to 1,953,211.78, 2,696,366.80 and 1,300,923.34 is: 1,795,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,211.78 : 2,696,366.80 = 1,300,923.34 : x
  2. Step 2: Convert to fraction form
    1,953,211.78/2,696,366.80 = 1,300,923.34/x
  3. Step 3: Cross multiply
    1,953,211.78x = 2,696,366.80 × 1,300,923.34
  4. Step 4: Simplify right side
    1,953,211.78x = 3,507,766,503,321.11
  5. Step 5: Solve for x
    x = 3,507,766,503,321.11/1,953,211.78
  6. Step 6: Final answer
    x = 1,795,896.66

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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.