Home / 6,460,949.80-9,689,675.10-1,911,989.80

Finding the Fourth Proportional to 6,460,949.80, 9,689,675.10 and 1,911,989.80

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Solution

The fourth proportional to 6,460,949.80, 9,689,675.10 and 1,911,989.80 is: 2,867,466.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460,949.80 : 9,689,675.10 = 1,911,989.80 : x
  2. Step 2: Convert to fraction form
    6,460,949.80/9,689,675.10 = 1,911,989.80/x
  3. Step 3: Cross multiply
    6,460,949.80x = 9,689,675.10 × 1,911,989.80
  4. Step 4: Simplify right side
    6,460,949.80x = 18,526,559,956,513.98
  5. Step 5: Solve for x
    x = 18,526,559,956,513.98/6,460,949.80
  6. Step 6: Final answer
    x = 2,867,466.94

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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.