Home / 2,688,072.60-4,032,108.90-794,645.40

Finding the Fourth Proportional to 2,688,072.60, 4,032,108.90 and 794,645.40

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Solution

The fourth proportional to 2,688,072.60, 4,032,108.90 and 794,645.40 is: 1,191,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,072.60 : 4,032,108.90 = 794,645.40 : x
  2. Step 2: Convert to fraction form
    2,688,072.60/4,032,108.90 = 794,645.40/x
  3. Step 3: Cross multiply
    2,688,072.60x = 4,032,108.90 × 794,645.40
  4. Step 4: Simplify right side
    2,688,072.60x = 3,204,096,789,684.06
  5. Step 5: Solve for x
    x = 3,204,096,789,684.06/2,688,072.60
  6. Step 6: Final answer
    x = 1,191,968.10

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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.