Finding the Fourth Proportional to 1,679,802.05, 2,519,712.30 and 417,629.67
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Solution
The fourth proportional to 1,679,802.05, 2,519,712.30 and 417,629.67 is: 626,446.80
Step by Step Solution
- Step 1: Write the proportion equation
1,679,802.05 : 2,519,712.30 = 417,629.67 : x - Step 2: Convert to fraction form
1,679,802.05/2,519,712.30 = 417,629.67/x - Step 3: Cross multiply
1,679,802.05x = 2,519,712.30 × 417,629.67 - Step 4: Simplify right side
1,679,802.05x = 1,052,306,619,698.08 - Step 5: Solve for x
x = 1,052,306,619,698.08/1,679,802.05 - Step 6: Final answer
x = 626,446.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.