Finding the Fourth Proportional to 1,808,138.09, 2,495,223.02 and 992,355.10
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Solution
The fourth proportional to 1,808,138.09, 2,495,223.02 and 992,355.10 is: 1,369,445.89
Step by Step Solution
- Step 1: Write the proportion equation
1,808,138.09 : 2,495,223.02 = 992,355.10 : x - Step 2: Convert to fraction form
1,808,138.09/2,495,223.02 = 992,355.10/x - Step 3: Cross multiply
1,808,138.09x = 2,495,223.02 × 992,355.10 - Step 4: Simplify right side
1,808,138.09x = 2,476,147,285,777.23 - Step 5: Solve for x
x = 2,476,147,285,777.23/1,808,138.09 - Step 6: Final answer
x = 1,369,445.89
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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.