Home / 2,678,558.61-4,017,989.60-857,083.67

Finding the Fourth Proportional to 2,678,558.61, 4,017,989.60 and 857,083.67

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Solution

The fourth proportional to 2,678,558.61, 4,017,989.60 and 857,083.67 is: 1,285,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,558.61 : 4,017,989.60 = 857,083.67 : x
  2. Step 2: Convert to fraction form
    2,678,558.61/4,017,989.60 = 857,083.67/x
  3. Step 3: Cross multiply
    2,678,558.61x = 4,017,989.60 × 857,083.67
  4. Step 4: Simplify right side
    2,678,558.61x = 3,443,753,248,014.47
  5. Step 5: Solve for x
    x = 3,443,753,248,014.47/2,678,558.61
  6. Step 6: Final answer
    x = 1,285,674.03

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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.