Finding the Fourth Proportional to 3,176,425.93, 4,765,528.28 and 1,284,495.97
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Solution
The fourth proportional to 3,176,425.93, 4,765,528.28 and 1,284,495.97 is: 1,927,103.61
Step by Step Solution
- Step 1: Write the proportion equation
3,176,425.93 : 4,765,528.28 = 1,284,495.97 : x - Step 2: Convert to fraction form
3,176,425.93/4,765,528.28 = 1,284,495.97/x - Step 3: Cross multiply
3,176,425.93x = 4,765,528.28 × 1,284,495.97 - Step 4: Simplify right side
3,176,425.93x = 6,121,301,864,158.55 - Step 5: Solve for x
x = 6,121,301,864,158.55/3,176,425.93 - Step 6: Final answer
x = 1,927,103.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.