Finding the Fourth Proportional to 3,490,141.57, 5,235,173.17 and 1,361,720.36
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Solution
The fourth proportional to 3,490,141.57, 5,235,173.17 and 1,361,720.36 is: 2,042,565.26
Step by Step Solution
- Step 1: Write the proportion equation
3,490,141.57 : 5,235,173.17 = 1,361,720.36 : x - Step 2: Convert to fraction form
3,490,141.57/5,235,173.17 = 1,361,720.36/x - Step 3: Cross multiply
3,490,141.57x = 5,235,173.17 × 1,361,720.36 - Step 4: Simplify right side
3,490,141.57x = 7,128,841,903,398.37 - Step 5: Solve for x
x = 7,128,841,903,398.37/3,490,141.57 - Step 6: Final answer
x = 2,042,565.26
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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.