Finding the Fourth Proportional to 2,197,945.69, 3,034,646.22 and 1,372,277.68
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Solution
The fourth proportional to 2,197,945.69, 3,034,646.22 and 1,372,277.68 is: 1,894,667.96
Step by Step Solution
- Step 1: Write the proportion equation
2,197,945.69 : 3,034,646.22 = 1,372,277.68 : x - Step 2: Convert to fraction form
2,197,945.69/3,034,646.22 = 1,372,277.68/x - Step 3: Cross multiply
2,197,945.69x = 3,034,646.22 × 1,372,277.68 - Step 4: Simplify right side
2,197,945.69x = 4,164,377,266,815.75 - Step 5: Solve for x
x = 4,164,377,266,815.75/2,197,945.69 - Step 6: Final answer
x = 1,894,667.96
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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.