Home / 1,929,105.84-2,662,285.73-1,069,666.10

Finding the Fourth Proportional to 1,929,105.84, 2,662,285.73 and 1,069,666.10

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Solution

The fourth proportional to 1,929,105.84, 2,662,285.73 and 1,069,666.10 is: 1,476,205.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,105.84 : 2,662,285.73 = 1,069,666.10 : x
  2. Step 2: Convert to fraction form
    1,929,105.84/2,662,285.73 = 1,069,666.10/x
  3. Step 3: Cross multiply
    1,929,105.84x = 2,662,285.73 × 1,069,666.10
  4. Step 4: Simplify right side
    1,929,105.84x = 2,847,756,793,894.75
  5. Step 5: Solve for x
    x = 2,847,756,793,894.75/1,929,105.84
  6. Step 6: Final answer
    x = 1,476,205.57

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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.