Finding the Fourth Proportional to 5,374,780.94, 7,422,126.81 and 3,415,304.81
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Solution
The fourth proportional to 5,374,780.94, 7,422,126.81 and 3,415,304.81 is: 4,716,252.75
Step by Step Solution
- Step 1: Write the proportion equation
5,374,780.94 : 7,422,126.81 = 3,415,304.81 : x - Step 2: Convert to fraction form
5,374,780.94/7,422,126.81 = 3,415,304.81/x - Step 3: Cross multiply
5,374,780.94x = 7,422,126.81 × 3,415,304.81 - Step 4: Simplify right side
5,374,780.94x = 25,348,825,357,512.32 - Step 5: Solve for x
x = 25,348,825,357,512.32/5,374,780.94 - Step 6: Final answer
x = 4,716,252.75
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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.