Finding the Fourth Proportional to 1,617,090.66, 2,231,595.63 and 891,957.96
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Solution
The fourth proportional to 1,617,090.66, 2,231,595.63 and 891,957.96 is: 1,230,907.79
Step by Step Solution
- Step 1: Write the proportion equation
1,617,090.66 : 2,231,595.63 = 891,957.96 : x - Step 2: Convert to fraction form
1,617,090.66/2,231,595.63 = 891,957.96/x - Step 3: Cross multiply
1,617,090.66x = 2,231,595.63 × 891,957.96 - Step 4: Simplify right side
1,617,090.66x = 1,990,489,485,679.71 - Step 5: Solve for x
x = 1,990,489,485,679.71/1,617,090.66 - Step 6: Final answer
x = 1,230,907.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.