Finding the Fourth Proportional to 1,916,146.92, 2,871,853.44 and 1,644,364.62
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Solution
The fourth proportional to 1,916,146.92, 2,871,853.44 and 1,644,364.62 is: 2,464,515.71
Step by Step Solution
- Step 1: Write the proportion equation
1,916,146.92 : 2,871,853.44 = 1,644,364.62 : x - Step 2: Convert to fraction form
1,916,146.92/2,871,853.44 = 1,644,364.62/x - Step 3: Cross multiply
1,916,146.92x = 2,871,853.44 × 1,644,364.62 - Step 4: Simplify right side
1,916,146.92x = 4,722,374,190,561.29 - Step 5: Solve for x
x = 4,722,374,190,561.29/1,916,146.92 - Step 6: Final answer
x = 2,464,515.71
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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.