Home / 5,368,662.79-7,408,644.70-2,921,322.31

Finding the Fourth Proportional to 5,368,662.79, 7,408,644.70 and 2,921,322.31

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Solution

The fourth proportional to 5,368,662.79, 7,408,644.70 and 2,921,322.31 is: 4,031,364.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368,662.79 : 7,408,644.70 = 2,921,322.31 : x
  2. Step 2: Convert to fraction form
    5,368,662.79/7,408,644.70 = 2,921,322.31/x
  3. Step 3: Cross multiply
    5,368,662.79x = 7,408,644.70 × 2,921,322.31
  4. Step 4: Simplify right side
    5,368,662.79x = 21,643,038,997,323.43
  5. Step 5: Solve for x
    x = 21,643,038,997,323.43/5,368,662.79
  6. Step 6: Final answer
    x = 4,031,364.95

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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.