Finding the Fourth Proportional to 3,516,798.81, 5,274,460.08 and 991,863.57
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Solution
The fourth proportional to 3,516,798.81, 5,274,460.08 and 991,863.57 is: 1,487,587.17
Step by Step Solution
- Step 1: Write the proportion equation
3,516,798.81 : 5,274,460.08 = 991,863.57 : x - Step 2: Convert to fraction form
3,516,798.81/5,274,460.08 = 991,863.57/x - Step 3: Cross multiply
3,516,798.81x = 5,274,460.08 × 991,863.57 - Step 4: Simplify right side
3,516,798.81x = 5,231,544,804,771.29 - Step 5: Solve for x
x = 5,231,544,804,771.29/3,516,798.81 - Step 6: Final answer
x = 1,487,587.17
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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.