Home / 2,906,438.40-4,355,510.40-2,142,316.80

Finding the Fourth Proportional to 2,906,438.40, 4,355,510.40 and 2,142,316.80

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Solution

The fourth proportional to 2,906,438.40, 4,355,510.40 and 2,142,316.80 is: 3,210,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906,438.40 : 4,355,510.40 = 2,142,316.80 : x
  2. Step 2: Convert to fraction form
    2,906,438.40/4,355,510.40 = 2,142,316.80/x
  3. Step 3: Cross multiply
    2,906,438.40x = 4,355,510.40 × 2,142,316.80
  4. Step 4: Simplify right side
    2,906,438.40x = 9,330,883,102,494.72
  5. Step 5: Solve for x
    x = 9,330,883,102,494.72/2,906,438.40
  6. Step 6: Final answer
    x = 3,210,418.33

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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.