Finding the Fourth Proportional to 4,277,982.99, 6,412,656.53 and 2,681,667.09
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Solution
The fourth proportional to 4,277,982.99, 6,412,656.53 and 2,681,667.09 is: 4,019,793.91
Step by Step Solution
- Step 1: Write the proportion equation
4,277,982.99 : 6,412,656.53 = 2,681,667.09 : x - Step 2: Convert to fraction form
4,277,982.99/6,412,656.53 = 2,681,667.09/x - Step 3: Cross multiply
4,277,982.99x = 6,412,656.53 × 2,681,667.09 - Step 4: Simplify right side
4,277,982.99x = 17,196,609,968,004.31 - Step 5: Solve for x
x = 17,196,609,968,004.31/4,277,982.99 - Step 6: Final answer
x = 4,019,793.91
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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.