Finding the Fourth Proportional to 3,414,355.68, 4,711,905.90 and 1,886,561.28
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Solution
The fourth proportional to 3,414,355.68, 4,711,905.90 and 1,886,561.28 is: 2,603,507.09
Step by Step Solution
- Step 1: Write the proportion equation
3,414,355.68 : 4,711,905.90 = 1,886,561.28 : x - Step 2: Convert to fraction form
3,414,355.68/4,711,905.90 = 1,886,561.28/x - Step 3: Cross multiply
3,414,355.68x = 4,711,905.90 × 1,886,561.28 - Step 4: Simplify right side
3,414,355.68x = 8,889,299,225,943.55 - Step 5: Solve for x
x = 8,889,299,225,943.55/3,414,355.68 - Step 6: Final answer
x = 2,603,507.09
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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.