Home / 2,692,236.70-4,032,911.85-1,678,246.30

Finding the Fourth Proportional to 2,692,236.70, 4,032,911.85 and 1,678,246.30

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Solution

The fourth proportional to 2,692,236.70, 4,032,911.85 and 1,678,246.30 is: 2,513,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692,236.70 : 4,032,911.85 = 1,678,246.30 : x
  2. Step 2: Convert to fraction form
    2,692,236.70/4,032,911.85 = 1,678,246.30/x
  3. Step 3: Cross multiply
    2,692,236.70x = 4,032,911.85 × 1,678,246.30
  4. Step 4: Simplify right side
    2,692,236.70x = 6,768,219,390,488.66
  5. Step 5: Solve for x
    x = 6,768,219,390,488.66/2,692,236.70
  6. Step 6: Final answer
    x = 2,513,976.35

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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.