Finding the Fourth Proportional to 1,815,307.73, 2,505,104.62 and 999,490.44
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Solution
The fourth proportional to 1,815,307.73, 2,505,104.62 and 999,490.44 is: 1,379,285.76
Step by Step Solution
- Step 1: Write the proportion equation
1,815,307.73 : 2,505,104.62 = 999,490.44 : x - Step 2: Convert to fraction form
1,815,307.73/2,505,104.62 = 999,490.44/x - Step 3: Cross multiply
1,815,307.73x = 2,505,104.62 × 999,490.44 - Step 4: Simplify right side
1,815,307.73x = 2,503,828,111,694.04 - Step 5: Solve for x
x = 2,503,828,111,694.04/1,815,307.73 - Step 6: Final answer
x = 1,379,285.76
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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.