Home / 2,129,334.30-3,194,001.45-1,919,382.30

Finding the Fourth Proportional to 2,129,334.30, 3,194,001.45 and 1,919,382.30

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Solution

The fourth proportional to 2,129,334.30, 3,194,001.45 and 1,919,382.30 is: 2,879,073.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,334.30 : 3,194,001.45 = 1,919,382.30 : x
  2. Step 2: Convert to fraction form
    2,129,334.30/3,194,001.45 = 1,919,382.30/x
  3. Step 3: Cross multiply
    2,129,334.30x = 3,194,001.45 × 1,919,382.30
  4. Step 4: Simplify right side
    2,129,334.30x = 6,130,509,849,304.34
  5. Step 5: Solve for x
    x = 6,130,509,849,304.34/2,129,334.30
  6. Step 6: Final answer
    x = 2,879,073.45

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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.