Finding the Fourth Proportional to 1,465,623.48, 2,022,425.10 and 821,070.84
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Solution
The fourth proportional to 1,465,623.48, 2,022,425.10 and 821,070.84 is: 1,133,001.96
Step by Step Solution
- Step 1: Write the proportion equation
1,465,623.48 : 2,022,425.10 = 821,070.84 : x - Step 2: Convert to fraction form
1,465,623.48/2,022,425.10 = 821,070.84/x - Step 3: Cross multiply
1,465,623.48x = 2,022,425.10 × 821,070.84 - Step 4: Simplify right side
1,465,623.48x = 1,660,554,275,694.08 - Step 5: Solve for x
x = 1,660,554,275,694.08/1,465,623.48 - Step 6: Final answer
x = 1,133,001.96
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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.