Finding the Fourth Proportional to 1,368,821.68, 2,053,521.62 and 515,875.28
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Solution
The fourth proportional to 1,368,821.68, 2,053,521.62 and 515,875.28 is: 773,921.87
Step by Step Solution
- Step 1: Write the proportion equation
1,368,821.68 : 2,053,521.62 = 515,875.28 : x - Step 2: Convert to fraction form
1,368,821.68/2,053,521.62 = 515,875.28/x - Step 3: Cross multiply
1,368,821.68x = 2,053,521.62 × 515,875.28 - Step 4: Simplify right side
1,368,821.68x = 1,059,361,032,990.37 - Step 5: Solve for x
x = 1,059,361,032,990.37/1,368,821.68 - Step 6: Final answer
x = 773,921.87
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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.