Finding the Fourth Proportional to 1,618,795.08, 2,234,207.34 and 1,547,048.52
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Solution
The fourth proportional to 1,618,795.08, 2,234,207.34 and 1,547,048.52 is: 2,135,185.11
Step by Step Solution
- Step 1: Write the proportion equation
1,618,795.08 : 2,234,207.34 = 1,547,048.52 : x - Step 2: Convert to fraction form
1,618,795.08/2,234,207.34 = 1,547,048.52/x - Step 3: Cross multiply
1,618,795.08x = 2,234,207.34 × 1,547,048.52 - Step 4: Simplify right side
1,618,795.08x = 3,456,427,158,720.14 - Step 5: Solve for x
x = 3,456,427,158,720.14/1,618,795.08 - Step 6: Final answer
x = 2,135,185.11
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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.