Home / 2,800,155.57-4,200,845.75-907,088.37

Finding the Fourth Proportional to 2,800,155.57, 4,200,845.75 and 907,088.37

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Solution

The fourth proportional to 2,800,155.57, 4,200,845.75 and 907,088.37 is: 1,360,830.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,155.57 : 4,200,845.75 = 907,088.37 : x
  2. Step 2: Convert to fraction form
    2,800,155.57/4,200,845.75 = 907,088.37/x
  3. Step 3: Cross multiply
    2,800,155.57x = 4,200,845.75 × 907,088.37
  4. Step 4: Simplify right side
    2,800,155.57x = 3,810,538,323,988.93
  5. Step 5: Solve for x
    x = 3,810,538,323,988.93/2,800,155.57
  6. Step 6: Final answer
    x = 1,360,830.94

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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.