Finding the Fourth Proportional to 2,558,293.84, 3,530,427.21 and 1,396,740.06
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Solution
The fourth proportional to 2,558,293.84, 3,530,427.21 and 1,396,740.06 is: 1,927,491.30
Step by Step Solution
- Step 1: Write the proportion equation
2,558,293.84 : 3,530,427.21 = 1,396,740.06 : x - Step 2: Convert to fraction form
2,558,293.84/3,530,427.21 = 1,396,740.06/x - Step 3: Cross multiply
2,558,293.84x = 3,530,427.21 × 1,396,740.06 - Step 4: Simplify right side
2,558,293.84x = 4,931,089,113,121.03 - Step 5: Solve for x
x = 4,931,089,113,121.03/2,558,293.84 - Step 6: Final answer
x = 1,927,491.30
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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.