Finding the Fourth Proportional to 3,853,128.93, 5,779,707.07 and 1,294,270.69
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Solution
The fourth proportional to 3,853,128.93, 5,779,707.07 and 1,294,270.69 is: 1,941,410.63
Step by Step Solution
- Step 1: Write the proportion equation
3,853,128.93 : 5,779,707.07 = 1,294,270.69 : x - Step 2: Convert to fraction form
3,853,128.93/5,779,707.07 = 1,294,270.69/x - Step 3: Cross multiply
3,853,128.93x = 5,779,707.07 × 1,294,270.69 - Step 4: Simplify right side
3,853,128.93x = 7,480,505,454,251.10 - Step 5: Solve for x
x = 7,480,505,454,251.10/3,853,128.93 - Step 6: Final answer
x = 1,941,410.63
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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.