Home / 5,369,139.45-7,409,568.18-2,921,908.32

Finding the Fourth Proportional to 5,369,139.45, 7,409,568.18 and 2,921,908.32

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Solution

The fourth proportional to 5,369,139.45, 7,409,568.18 and 2,921,908.32 is: 4,032,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369,139.45 : 7,409,568.18 = 2,921,908.32 : x
  2. Step 2: Convert to fraction form
    5,369,139.45/7,409,568.18 = 2,921,908.32/x
  3. Step 3: Cross multiply
    5,369,139.45x = 7,409,568.18 × 2,921,908.32
  4. Step 4: Simplify right side
    5,369,139.45x = 21,650,078,912,749.25
  5. Step 5: Solve for x
    x = 21,650,078,912,749.25/5,369,139.45
  6. Step 6: Final answer
    x = 4,032,318.24

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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.