Finding the Fourth Proportional to 1,844,511.91, 2,545,430.96 and 1,028,768.43
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Solution
The fourth proportional to 1,844,511.91, 2,545,430.96 and 1,028,768.43 is: 1,419,702.96
Step by Step Solution
- Step 1: Write the proportion equation
1,844,511.91 : 2,545,430.96 = 1,028,768.43 : x - Step 2: Convert to fraction form
1,844,511.91/2,545,430.96 = 1,028,768.43/x - Step 3: Cross multiply
1,844,511.91x = 2,545,430.96 × 1,028,768.43 - Step 4: Simplify right side
1,844,511.91x = 2,618,659,012,392.59 - Step 5: Solve for x
x = 2,618,659,012,392.59/1,844,511.91 - Step 6: Final answer
x = 1,419,702.96
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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.