Finding the Fourth Proportional to 2,127,164.72, 2,935,496.44 and 1,160,316.08
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Solution
The fourth proportional to 2,127,164.72, 2,935,496.44 and 1,160,316.08 is: 1,601,241.17
Step by Step Solution
- Step 1: Write the proportion equation
2,127,164.72 : 2,935,496.44 = 1,160,316.08 : x - Step 2: Convert to fraction form
2,127,164.72/2,935,496.44 = 1,160,316.08/x - Step 3: Cross multiply
2,127,164.72x = 2,935,496.44 × 1,160,316.08 - Step 4: Simplify right side
2,127,164.72x = 3,406,103,722,114.76 - Step 5: Solve for x
x = 3,406,103,722,114.76/2,127,164.72 - Step 6: Final answer
x = 1,601,241.17
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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.