Finding the Fourth Proportional to 5,195,459.08, 7,169,743.92 and 2,903,619.70
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Solution
The fourth proportional to 5,195,459.08, 7,169,743.92 and 2,903,619.70 is: 4,007,000.99
Step by Step Solution
- Step 1: Write the proportion equation
5,195,459.08 : 7,169,743.92 = 2,903,619.70 : x - Step 2: Convert to fraction form
5,195,459.08/7,169,743.92 = 2,903,619.70/x - Step 3: Cross multiply
5,195,459.08x = 7,169,743.92 × 2,903,619.70 - Step 4: Simplify right side
5,195,459.08x = 20,818,209,690,067.23 - Step 5: Solve for x
x = 20,818,209,690,067.23/5,195,459.08 - Step 6: Final answer
x = 4,007,000.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.