Home / 3,136,356.60-4,704,586.47-861,866.77

Finding the Fourth Proportional to 3,136,356.60, 4,704,586.47 and 861,866.77

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Solution

The fourth proportional to 3,136,356.60, 4,704,586.47 and 861,866.77 is: 1,292,814.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,356.60 : 4,704,586.47 = 861,866.77 : x
  2. Step 2: Convert to fraction form
    3,136,356.60/4,704,586.47 = 861,866.77/x
  3. Step 3: Cross multiply
    3,136,356.60x = 4,704,586.47 × 861,866.77
  4. Step 4: Simplify right side
    3,136,356.60x = 4,054,726,745,084.60
  5. Step 5: Solve for x
    x = 4,054,726,745,084.60/3,136,356.60
  6. Step 6: Final answer
    x = 1,292,814.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.