Finding the Fourth Proportional to 1,495,489.59, 2,063,765.12 and 816,426.09
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Solution
The fourth proportional to 1,495,489.59, 2,063,765.12 and 816,426.09 is: 1,126,662.26
Step by Step Solution
- Step 1: Write the proportion equation
1,495,489.59 : 2,063,765.12 = 816,426.09 : x - Step 2: Convert to fraction form
1,495,489.59/2,063,765.12 = 816,426.09/x - Step 3: Cross multiply
1,495,489.59x = 2,063,765.12 × 816,426.09 - Step 4: Simplify right side
1,495,489.59x = 1,684,911,683,517.85 - Step 5: Solve for x
x = 1,684,911,683,517.85/1,495,489.59 - Step 6: Final answer
x = 1,126,662.26
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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.