Finding the Fourth Proportional to 1,792,963.82, 2,689,420.73 and 1,022,818.12
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Solution
The fourth proportional to 1,792,963.82, 2,689,420.73 and 1,022,818.12 is: 1,534,212.91
Step by Step Solution
- Step 1: Write the proportion equation
1,792,963.82 : 2,689,420.73 = 1,022,818.12 : x - Step 2: Convert to fraction form
1,792,963.82/2,689,420.73 = 1,022,818.12/x - Step 3: Cross multiply
1,792,963.82x = 2,689,420.73 × 1,022,818.12 - Step 4: Simplify right side
1,792,963.82x = 2,750,788,243,109.99 - Step 5: Solve for x
x = 2,750,788,243,109.99/1,792,963.82 - Step 6: Final answer
x = 1,534,212.91
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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.