Finding the Fourth Proportional to 1,623,670.86, 2,240,610.62 and 898,549.14
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Solution
The fourth proportional to 1,623,670.86, 2,240,610.62 and 898,549.14 is: 1,239,967.28
Step by Step Solution
- Step 1: Write the proportion equation
1,623,670.86 : 2,240,610.62 = 898,549.14 : x - Step 2: Convert to fraction form
1,623,670.86/2,240,610.62 = 898,549.14/x - Step 3: Cross multiply
1,623,670.86x = 2,240,610.62 × 898,549.14 - Step 4: Simplify right side
1,623,670.86x = 2,013,298,741,183.12 - Step 5: Solve for x
x = 2,013,298,741,183.12/1,623,670.86 - Step 6: Final answer
x = 1,239,967.28
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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.