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Finding the Fourth Proportional to 4,991,409.02, 6,888,149.04 and 2,699,569.71

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Solution

The fourth proportional to 4,991,409.02, 6,888,149.04 and 2,699,569.71 is: 3,725,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,409.02 : 6,888,149.04 = 2,699,569.71 : x
  2. Step 2: Convert to fraction form
    4,991,409.02/6,888,149.04 = 2,699,569.71/x
  3. Step 3: Cross multiply
    4,991,409.02x = 6,888,149.04 × 2,699,569.71
  4. Step 4: Simplify right side
    4,991,409.02x = 18,595,038,516,472.96
  5. Step 5: Solve for x
    x = 18,595,038,516,472.96/4,991,409.02
  6. Step 6: Final answer
    x = 3,725,408.68

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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.