Finding the Fourth Proportional to 2,081,571.93, 2,873,049.35 and 1,355,154.75
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Solution
The fourth proportional to 2,081,571.93, 2,873,049.35 and 1,355,154.75 is: 1,870,426.10
Step by Step Solution
- Step 1: Write the proportion equation
2,081,571.93 : 2,873,049.35 = 1,355,154.75 : x - Step 2: Convert to fraction form
2,081,571.93/2,873,049.35 = 1,355,154.75/x - Step 3: Cross multiply
2,081,571.93x = 2,873,049.35 × 1,355,154.75 - Step 4: Simplify right side
2,081,571.93x = 3,893,426,466,861.14 - Step 5: Solve for x
x = 3,893,426,466,861.14/2,081,571.93 - Step 6: Final answer
x = 1,870,426.10
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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.