Home / 3,785,166.40-5,222,830.84-2,153,478.52

Finding the Fourth Proportional to 3,785,166.40, 5,222,830.84 and 2,153,478.52

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Solution

The fourth proportional to 3,785,166.40, 5,222,830.84 and 2,153,478.52 is: 2,971,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785,166.40 : 5,222,830.84 = 2,153,478.52 : x
  2. Step 2: Convert to fraction form
    3,785,166.40/5,222,830.84 = 2,153,478.52/x
  3. Step 3: Cross multiply
    3,785,166.40x = 5,222,830.84 × 2,153,478.52
  4. Step 4: Simplify right side
    3,785,166.40x = 11,247,254,027,533.56
  5. Step 5: Solve for x
    x = 11,247,254,027,533.56/3,785,166.40
  6. Step 6: Final answer
    x = 2,971,402.80

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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.