Finding the Fourth Proportional to 2,247,356.80, 3,371,035.20 and 1,239,587.20
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Solution
The fourth proportional to 2,247,356.80, 3,371,035.20 and 1,239,587.20 is: 1,859,380.80
Step by Step Solution
- Step 1: Write the proportion equation
2,247,356.80 : 3,371,035.20 = 1,239,587.20 : x - Step 2: Convert to fraction form
2,247,356.80/3,371,035.20 = 1,239,587.20/x - Step 3: Cross multiply
2,247,356.80x = 3,371,035.20 × 1,239,587.20 - Step 4: Simplify right side
2,247,356.80x = 4,178,692,084,669.44 - Step 5: Solve for x
x = 4,178,692,084,669.44/2,247,356.80 - Step 6: Final answer
x = 1,859,380.80
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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.