Finding the Fourth Proportional to 5,368,996.84, 8,053,511.96 and 1,325,485.08
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Solution
The fourth proportional to 5,368,996.84, 8,053,511.96 and 1,325,485.08 is: 1,988,231.74
Step by Step Solution
- Step 1: Write the proportion equation
5,368,996.84 : 8,053,511.96 = 1,325,485.08 : x - Step 2: Convert to fraction form
5,368,996.84/8,053,511.96 = 1,325,485.08/x - Step 3: Cross multiply
5,368,996.84x = 8,053,511.96 × 1,325,485.08 - Step 4: Simplify right side
5,368,996.84x = 10,674,809,944,581.56 - Step 5: Solve for x
x = 10,674,809,944,581.56/5,368,996.84 - Step 6: Final answer
x = 1,988,231.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.