Finding the Fourth Proportional to 1,696,790.40, 2,545,053.20 and 986,365.28
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Solution
The fourth proportional to 1,696,790.40, 2,545,053.20 and 986,365.28 is: 1,479,470.95
Step by Step Solution
- Step 1: Write the proportion equation
1,696,790.40 : 2,545,053.20 = 986,365.28 : x - Step 2: Convert to fraction form
1,696,790.40/2,545,053.20 = 986,365.28/x - Step 3: Cross multiply
1,696,790.40x = 2,545,053.20 × 986,365.28 - Step 4: Simplify right side
1,696,790.40x = 2,510,352,112,232.90 - Step 5: Solve for x
x = 2,510,352,112,232.90/1,696,790.40 - Step 6: Final answer
x = 1,479,470.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.