Home / 3,830,413-5,286,006.40-2,111,595.16

Finding the Fourth Proportional to 3,830,413, 5,286,006.40 and 2,111,595.16

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Solution

The fourth proportional to 3,830,413, 5,286,006.40 and 2,111,595.16 is: 2,914,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,413 : 5,286,006.40 = 2,111,595.16 : x
  2. Step 2: Convert to fraction form
    3,830,413/5,286,006.40 = 2,111,595.16/x
  3. Step 3: Cross multiply
    3,830,413x = 5,286,006.40 × 2,111,595.16
  4. Step 4: Simplify right side
    3,830,413x = 11,161,905,529,969.03
  5. Step 5: Solve for x
    x = 11,161,905,529,969.03/3,830,413
  6. Step 6: Final answer
    x = 2,914,021.42

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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.