Finding the Fourth Proportional to 1,657,497.10, 2,486,245.65 and 1,586,638.30
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Solution
The fourth proportional to 1,657,497.10, 2,486,245.65 and 1,586,638.30 is: 2,379,957.45
Step by Step Solution
- Step 1: Write the proportion equation
1,657,497.10 : 2,486,245.65 = 1,586,638.30 : x - Step 2: Convert to fraction form
1,657,497.10/2,486,245.65 = 1,586,638.30/x - Step 3: Cross multiply
1,657,497.10x = 2,486,245.65 × 1,586,638.30 - Step 4: Simplify right side
1,657,497.10x = 3,944,772,571,498.40 - Step 5: Solve for x
x = 3,944,772,571,498.40/1,657,497.10 - Step 6: Final answer
x = 2,379,957.45
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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.