Finding the Fourth Proportional to 3,345,672.42, 4,617,069.94 and 1,817,805.06
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Solution
The fourth proportional to 3,345,672.42, 4,617,069.94 and 1,817,805.06 is: 2,508,593.80
Step by Step Solution
- Step 1: Write the proportion equation
3,345,672.42 : 4,617,069.94 = 1,817,805.06 : x - Step 2: Convert to fraction form
3,345,672.42/4,617,069.94 = 1,817,805.06/x - Step 3: Cross multiply
3,345,672.42x = 4,617,069.94 × 1,817,805.06 - Step 4: Simplify right side
3,345,672.42x = 8,392,933,099,305.90 - Step 5: Solve for x
x = 8,392,933,099,305.90/3,345,672.42 - Step 6: Final answer
x = 2,508,593.80
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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.