Home / 1,912,649.93-2,639,362.16-1,053,049.58

Finding the Fourth Proportional to 1,912,649.93, 2,639,362.16 and 1,053,049.58

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Solution

The fourth proportional to 1,912,649.93, 2,639,362.16 and 1,053,049.58 is: 1,453,156.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,649.93 : 2,639,362.16 = 1,053,049.58 : x
  2. Step 2: Convert to fraction form
    1,912,649.93/2,639,362.16 = 1,053,049.58/x
  3. Step 3: Cross multiply
    1,912,649.93x = 2,639,362.16 × 1,053,049.58
  4. Step 4: Simplify right side
    1,912,649.93x = 2,779,379,195,593.83
  5. Step 5: Solve for x
    x = 2,779,379,195,593.83/1,912,649.93
  6. Step 6: Final answer
    x = 1,453,156.25

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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.