Finding the Fourth Proportional to 3,149,055.09, 4,346,112.65 and 1,772,665.29
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Solution
The fourth proportional to 3,149,055.09, 4,346,112.65 and 1,772,665.29 is: 2,446,512.62
Step by Step Solution
- Step 1: Write the proportion equation
3,149,055.09 : 4,346,112.65 = 1,772,665.29 : x - Step 2: Convert to fraction form
3,149,055.09/4,346,112.65 = 1,772,665.29/x - Step 3: Cross multiply
3,149,055.09x = 4,346,112.65 × 1,772,665.29 - Step 4: Simplify right side
3,149,055.09x = 7,704,203,032,221.59 - Step 5: Solve for x
x = 7,704,203,032,221.59/3,149,055.09 - Step 6: Final answer
x = 2,446,512.62
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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.