Home / 2,858,774.42-4,288,256.35-1,438,056.34

Finding the Fourth Proportional to 2,858,774.42, 4,288,256.35 and 1,438,056.34

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Solution

The fourth proportional to 2,858,774.42, 4,288,256.35 and 1,438,056.34 is: 2,157,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858,774.42 : 4,288,256.35 = 1,438,056.34 : x
  2. Step 2: Convert to fraction form
    2,858,774.42/4,288,256.35 = 1,438,056.34/x
  3. Step 3: Cross multiply
    2,858,774.42x = 4,288,256.35 × 1,438,056.34
  4. Step 4: Simplify right side
    2,858,774.42x = 6,166,754,231,662.76
  5. Step 5: Solve for x
    x = 6,166,754,231,662.76/2,858,774.42
  6. Step 6: Final answer
    x = 2,157,132.16

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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.