Home / 2,107,059.56-2,907,030.49-1,371,678.11

Finding the Fourth Proportional to 2,107,059.56, 2,907,030.49 and 1,371,678.11

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Solution

The fourth proportional to 2,107,059.56, 2,907,030.49 and 1,371,678.11 is: 1,892,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,059.56 : 2,907,030.49 = 1,371,678.11 : x
  2. Step 2: Convert to fraction form
    2,107,059.56/2,907,030.49 = 1,371,678.11/x
  3. Step 3: Cross multiply
    2,107,059.56x = 2,907,030.49 × 1,371,678.11
  4. Step 4: Simplify right side
    2,107,059.56x = 3,987,510,088,235.58
  5. Step 5: Solve for x
    x = 3,987,510,088,235.58/2,107,059.56
  6. Step 6: Final answer
    x = 1,892,452.48

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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.