Home / 2,157,321.60-3,237,148.80-959,428.80

Finding the Fourth Proportional to 2,157,321.60, 3,237,148.80 and 959,428.80

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Solution

The fourth proportional to 2,157,321.60, 3,237,148.80 and 959,428.80 is: 1,439,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,321.60 : 3,237,148.80 = 959,428.80 : x
  2. Step 2: Convert to fraction form
    2,157,321.60/3,237,148.80 = 959,428.80/x
  3. Step 3: Cross multiply
    2,157,321.60x = 3,237,148.80 × 959,428.80
  4. Step 4: Simplify right side
    2,157,321.60x = 3,105,813,788,605.44
  5. Step 5: Solve for x
    x = 3,105,813,788,605.44/2,157,321.60
  6. Step 6: Final answer
    x = 1,439,661.93

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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.