Finding the Fourth Proportional to 5,390,998.10, 8,084,164.35 and 2,195,062.10
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Solution
The fourth proportional to 5,390,998.10, 8,084,164.35 and 2,195,062.10 is: 3,291,643.30
Step by Step Solution
- Step 1: Write the proportion equation
5,390,998.10 : 8,084,164.35 = 2,195,062.10 : x - Step 2: Convert to fraction form
5,390,998.10/8,084,164.35 = 2,195,062.10/x - Step 3: Cross multiply
5,390,998.10x = 8,084,164.35 × 2,195,062.10 - Step 4: Simplify right side
5,390,998.10x = 17,745,242,774,856.14 - Step 5: Solve for x
x = 17,745,242,774,856.14/5,390,998.10 - Step 6: Final answer
x = 3,291,643.30
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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.