Finding the Fourth Proportional to 1,623,678.24, 2,240,653.80 and 898,481.79
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Solution
The fourth proportional to 1,623,678.24, 2,240,653.80 and 898,481.79 is: 1,239,892.60
Step by Step Solution
- Step 1: Write the proportion equation
1,623,678.24 : 2,240,653.80 = 898,481.79 : x - Step 2: Convert to fraction form
1,623,678.24/2,240,653.80 = 898,481.79/x - Step 3: Cross multiply
1,623,678.24x = 2,240,653.80 × 898,481.79 - Step 4: Simplify right side
1,623,678.24x = 2,013,186,636,994.30 - Step 5: Solve for x
x = 2,013,186,636,994.30/1,623,678.24 - Step 6: Final answer
x = 1,239,892.60
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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.