Finding the Fourth Proportional to 1,495,705.80, 2,243,558.70 and 1,330,368.60
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Solution
The fourth proportional to 1,495,705.80, 2,243,558.70 and 1,330,368.60 is: 1,995,552.90
Step by Step Solution
- Step 1: Write the proportion equation
1,495,705.80 : 2,243,558.70 = 1,330,368.60 : x - Step 2: Convert to fraction form
1,495,705.80/2,243,558.70 = 1,330,368.60/x - Step 3: Cross multiply
1,495,705.80x = 2,243,558.70 × 1,330,368.60 - Step 4: Simplify right side
1,495,705.80x = 2,984,760,046,736.82 - Step 5: Solve for x
x = 2,984,760,046,736.82/1,495,705.80 - Step 6: Final answer
x = 1,995,552.90
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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.