Finding the Fourth Proportional to 1,521,679.68, 2,099,920.68 and 823,968.36
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Solution
The fourth proportional to 1,521,679.68, 2,099,920.68 and 823,968.36 is: 1,137,077.81
Step by Step Solution
- Step 1: Write the proportion equation
1,521,679.68 : 2,099,920.68 = 823,968.36 : x - Step 2: Convert to fraction form
1,521,679.68/2,099,920.68 = 823,968.36/x - Step 3: Cross multiply
1,521,679.68x = 2,099,920.68 × 823,968.36 - Step 4: Simplify right side
1,521,679.68x = 1,730,268,198,829.68 - Step 5: Solve for x
x = 1,730,268,198,829.68/1,521,679.68 - Step 6: Final answer
x = 1,137,077.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.