Finding the Fourth Proportional to 2,158,617.60, 3,235,161.60 and 1,657,497.60
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Solution
The fourth proportional to 2,158,617.60, 3,235,161.60 and 1,657,497.60 is: 2,484,123.44
Step by Step Solution
- Step 1: Write the proportion equation
2,158,617.60 : 3,235,161.60 = 1,657,497.60 : x - Step 2: Convert to fraction form
2,158,617.60/3,235,161.60 = 1,657,497.60/x - Step 3: Cross multiply
2,158,617.60x = 3,235,161.60 × 1,657,497.60 - Step 4: Simplify right side
2,158,617.60x = 5,362,272,587,612.16 - Step 5: Solve for x
x = 5,362,272,587,612.16/2,158,617.60 - Step 6: Final answer
x = 2,484,123.44
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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.