Finding the Fourth Proportional to 2,106,193.95, 2,905,624.47 and 1,234,586.79
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Solution
The fourth proportional to 2,106,193.95, 2,905,624.47 and 1,234,586.79 is: 1,703,188.63
Step by Step Solution
- Step 1: Write the proportion equation
2,106,193.95 : 2,905,624.47 = 1,234,586.79 : x - Step 2: Convert to fraction form
2,106,193.95/2,905,624.47 = 1,234,586.79/x - Step 3: Cross multiply
2,106,193.95x = 2,905,624.47 × 1,234,586.79 - Step 4: Simplify right side
2,106,193.95x = 3,587,245,587,362.75 - Step 5: Solve for x
x = 3,587,245,587,362.75/2,106,193.95 - Step 6: Final answer
x = 1,703,188.63
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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.