Home / 5,389,671.26-8,078,749.61-2,688,671.58

Finding the Fourth Proportional to 5,389,671.26, 8,078,749.61 and 2,688,671.58

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Solution

The fourth proportional to 5,389,671.26, 8,078,749.61 and 2,688,671.58 is: 4,030,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,671.26 : 8,078,749.61 = 2,688,671.58 : x
  2. Step 2: Convert to fraction form
    5,389,671.26/8,078,749.61 = 2,688,671.58/x
  3. Step 3: Cross multiply
    5,389,671.26x = 8,078,749.61 × 2,688,671.58
  4. Step 4: Simplify right side
    5,389,671.26x = 21,721,104,464,899.73
  5. Step 5: Solve for x
    x = 21,721,104,464,899.73/5,389,671.26
  6. Step 6: Final answer
    x = 4,030,135.32

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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.