Finding the Fourth Proportional to 1,588,083.08, 2,191,567.79 and 862,930.81
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Solution
The fourth proportional to 1,588,083.08, 2,191,567.79 and 862,930.81 is: 1,190,851.65
Step by Step Solution
- Step 1: Write the proportion equation
1,588,083.08 : 2,191,567.79 = 862,930.81 : x - Step 2: Convert to fraction form
1,588,083.08/2,191,567.79 = 862,930.81/x - Step 3: Cross multiply
1,588,083.08x = 2,191,567.79 × 862,930.81 - Step 4: Simplify right side
1,588,083.08x = 1,891,171,364,616.28 - Step 5: Solve for x
x = 1,891,171,364,616.28/1,588,083.08 - Step 6: Final answer
x = 1,190,851.65
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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.