Finding the Fourth Proportional to 2,113,852.92, 3,169,430.70 and 1,393,362.84
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Solution
The fourth proportional to 2,113,852.92, 3,169,430.70 and 1,393,362.84 is: 2,089,155.27
Step by Step Solution
- Step 1: Write the proportion equation
2,113,852.92 : 3,169,430.70 = 1,393,362.84 : x - Step 2: Convert to fraction form
2,113,852.92/3,169,430.70 = 1,393,362.84/x - Step 3: Cross multiply
2,113,852.92x = 3,169,430.70 × 1,393,362.84 - Step 4: Simplify right side
2,113,852.92x = 4,416,166,961,335.19 - Step 5: Solve for x
x = 4,416,166,961,335.19/2,113,852.92 - Step 6: Final answer
x = 2,089,155.27
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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.