Finding the Fourth Proportional to 2,860,763.36, 3,947,895.41 and 1,554,039.97
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Solution
The fourth proportional to 2,860,763.36, 3,947,895.41 and 1,554,039.97 is: 2,144,597.96
Step by Step Solution
- Step 1: Write the proportion equation
2,860,763.36 : 3,947,895.41 = 1,554,039.97 : x - Step 2: Convert to fraction form
2,860,763.36/3,947,895.41 = 1,554,039.97/x - Step 3: Cross multiply
2,860,763.36x = 3,947,895.41 × 1,554,039.97 - Step 4: Simplify right side
2,860,763.36x = 6,135,187,246,879.60 - Step 5: Solve for x
x = 6,135,187,246,879.60/2,860,763.36 - Step 6: Final answer
x = 2,144,597.96
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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.