Finding the Fourth Proportional to 1,721,873.70, 2,582,812.98 and 823,104.18
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Solution
The fourth proportional to 1,721,873.70, 2,582,812.98 and 823,104.18 is: 1,234,657.43
Step by Step Solution
- Step 1: Write the proportion equation
1,721,873.70 : 2,582,812.98 = 823,104.18 : x - Step 2: Convert to fraction form
1,721,873.70/2,582,812.98 = 823,104.18/x - Step 3: Cross multiply
1,721,873.70x = 2,582,812.98 × 823,104.18 - Step 4: Simplify right side
1,721,873.70x = 2,125,924,159,996.26 - Step 5: Solve for x
x = 2,125,924,159,996.26/1,721,873.70 - Step 6: Final answer
x = 1,234,657.43
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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.