Finding the Fourth Proportional to 1,983,729.92, 2,973,104.40 and 1,072,876.08
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Solution
The fourth proportional to 1,983,729.92, 2,973,104.40 and 1,072,876.08 is: 1,607,967.17
Step by Step Solution
- Step 1: Write the proportion equation
1,983,729.92 : 2,973,104.40 = 1,072,876.08 : x - Step 2: Convert to fraction form
1,983,729.92/2,973,104.40 = 1,072,876.08/x - Step 3: Cross multiply
1,983,729.92x = 2,973,104.40 × 1,072,876.08 - Step 4: Simplify right side
1,983,729.92x = 3,189,772,594,102.75 - Step 5: Solve for x
x = 3,189,772,594,102.75/1,983,729.92 - Step 6: Final answer
x = 1,607,967.17
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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.