Finding the Fourth Proportional to 1,539,636.99, 2,309,456.70 and 417,705.99
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Solution
The fourth proportional to 1,539,636.99, 2,309,456.70 and 417,705.99 is: 626,559.31
Step by Step Solution
- Step 1: Write the proportion equation
1,539,636.99 : 2,309,456.70 = 417,705.99 : x - Step 2: Convert to fraction form
1,539,636.99/2,309,456.70 = 417,705.99/x - Step 3: Cross multiply
1,539,636.99x = 2,309,456.70 × 417,705.99 - Step 4: Simplify right side
1,539,636.99x = 964,673,897,235.63 - Step 5: Solve for x
x = 964,673,897,235.63/1,539,636.99 - Step 6: Final answer
x = 626,559.31
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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.