Finding the Fourth Proportional to 3,391,971.36, 4,681,099.98 and 1,922,164.80
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Solution
The fourth proportional to 3,391,971.36, 4,681,099.98 and 1,922,164.80 is: 2,652,689.15
Step by Step Solution
- Step 1: Write the proportion equation
3,391,971.36 : 4,681,099.98 = 1,922,164.80 : x - Step 2: Convert to fraction form
3,391,971.36/4,681,099.98 = 1,922,164.80/x - Step 3: Cross multiply
3,391,971.36x = 4,681,099.98 × 1,922,164.80 - Step 4: Simplify right side
3,391,971.36x = 8,997,845,606,836.71 - Step 5: Solve for x
x = 8,997,845,606,836.71/3,391,971.36 - Step 6: Final answer
x = 2,652,689.15
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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.