Finding the Fourth Proportional to 2,857,970.73, 3,943,852.74 and 1,696,465.98
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Solution
The fourth proportional to 2,857,970.73, 3,943,852.74 and 1,696,465.98 is: 2,341,035.87
Step by Step Solution
- Step 1: Write the proportion equation
2,857,970.73 : 3,943,852.74 = 1,696,465.98 : x - Step 2: Convert to fraction form
2,857,970.73/3,943,852.74 = 1,696,465.98/x - Step 3: Cross multiply
2,857,970.73x = 3,943,852.74 × 1,696,465.98 - Step 4: Simplify right side
2,857,970.73x = 6,690,612,003,539.79 - Step 5: Solve for x
x = 6,690,612,003,539.79/2,857,970.73 - Step 6: Final answer
x = 2,341,035.87
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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.