Home / 1,921,311.96-2,651,513.04-1,105,639.80

Finding the Fourth Proportional to 1,921,311.96, 2,651,513.04 and 1,105,639.80

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Solution

The fourth proportional to 1,921,311.96, 2,651,513.04 and 1,105,639.80 is: 1,525,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,311.96 : 2,651,513.04 = 1,105,639.80 : x
  2. Step 2: Convert to fraction form
    1,921,311.96/2,651,513.04 = 1,105,639.80/x
  3. Step 3: Cross multiply
    1,921,311.96x = 2,651,513.04 × 1,105,639.80
  4. Step 4: Simplify right side
    1,921,311.96x = 2,931,618,347,242.99
  5. Step 5: Solve for x
    x = 2,931,618,347,242.99/1,921,311.96
  6. Step 6: Final answer
    x = 1,525,841.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.