Finding the Fourth Proportional to 4,657,072.09, 6,426,749.70 and 2,619,881.59
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Solution
The fourth proportional to 4,657,072.09, 6,426,749.70 and 2,619,881.59 is: 3,615,431.09
Step by Step Solution
- Step 1: Write the proportion equation
4,657,072.09 : 6,426,749.70 = 2,619,881.59 : x - Step 2: Convert to fraction form
4,657,072.09/6,426,749.70 = 2,619,881.59/x - Step 3: Cross multiply
4,657,072.09x = 6,426,749.70 × 2,619,881.59 - Step 4: Simplify right side
4,657,072.09x = 16,837,323,222,568.02 - Step 5: Solve for x
x = 16,837,323,222,568.02/4,657,072.09 - Step 6: Final answer
x = 3,615,431.09
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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.