Finding the Fourth Proportional to 2,185,572.16, 3,278,752.71 and 988,058.44
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Solution
The fourth proportional to 2,185,572.16, 3,278,752.71 and 988,058.44 is: 1,482,265.99
Step by Step Solution
- Step 1: Write the proportion equation
2,185,572.16 : 3,278,752.71 = 988,058.44 : x - Step 2: Convert to fraction form
2,185,572.16/3,278,752.71 = 988,058.44/x - Step 3: Cross multiply
2,185,572.16x = 3,278,752.71 × 988,058.44 - Step 4: Simplify right side
2,185,572.16x = 3,239,599,287,788.37 - Step 5: Solve for x
x = 3,239,599,287,788.37/2,185,572.16 - Step 6: Final answer
x = 1,482,265.99
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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.