Home / 1,965,653.85-2,712,153.48-1,105,900.41

Finding the Fourth Proportional to 1,965,653.85, 2,712,153.48 and 1,105,900.41

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Solution

The fourth proportional to 1,965,653.85, 2,712,153.48 and 1,105,900.41 is: 1,525,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,653.85 : 2,712,153.48 = 1,105,900.41 : x
  2. Step 2: Convert to fraction form
    1,965,653.85/2,712,153.48 = 1,105,900.41/x
  3. Step 3: Cross multiply
    1,965,653.85x = 2,712,153.48 × 1,105,900.41
  4. Step 4: Simplify right side
    1,965,653.85x = 2,999,371,645,514.93
  5. Step 5: Solve for x
    x = 2,999,371,645,514.93/1,965,653.85
  6. Step 6: Final answer
    x = 1,525,890.05

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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.