Finding the Fourth Proportional to 3,036,863.48, 4,190,707.14 and 1,678,649
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Solution
The fourth proportional to 3,036,863.48, 4,190,707.14 and 1,678,649 is: 2,316,444.71
Step by Step Solution
- Step 1: Write the proportion equation
3,036,863.48 : 4,190,707.14 = 1,678,649 : x - Step 2: Convert to fraction form
3,036,863.48/4,190,707.14 = 1,678,649/x - Step 3: Cross multiply
3,036,863.48x = 4,190,707.14 × 1,678,649 - Step 4: Simplify right side
3,036,863.48x = 7,034,726,349,853.86 - Step 5: Solve for x
x = 7,034,726,349,853.86/3,036,863.48 - Step 6: Final answer
x = 2,316,444.71
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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.