Finding the Fourth Proportional to 1,657,749.95, 2,486,616.72 and 1,432,424.71
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Solution
The fourth proportional to 1,657,749.95, 2,486,616.72 and 1,432,424.71 is: 2,148,629.98
Step by Step Solution
- Step 1: Write the proportion equation
1,657,749.95 : 2,486,616.72 = 1,432,424.71 : x - Step 2: Convert to fraction form
1,657,749.95/2,486,616.72 = 1,432,424.71/x - Step 3: Cross multiply
1,657,749.95x = 2,486,616.72 × 1,432,424.71 - Step 4: Simplify right side
1,657,749.95x = 3,561,891,234,027.15 - Step 5: Solve for x
x = 3,561,891,234,027.15/1,657,749.95 - Step 6: Final answer
x = 2,148,629.98
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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.