Finding the Fourth Proportional to 1,536,983.05, 2,121,070.32 and 848,653.05
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Solution
The fourth proportional to 1,536,983.05, 2,121,070.32 and 848,653.05 is: 1,171,159.82
Step by Step Solution
- Step 1: Write the proportion equation
1,536,983.05 : 2,121,070.32 = 848,653.05 : x - Step 2: Convert to fraction form
1,536,983.05/2,121,070.32 = 848,653.05/x - Step 3: Cross multiply
1,536,983.05x = 2,121,070.32 × 848,653.05 - Step 4: Simplify right side
1,536,983.05x = 1,800,052,796,332.48 - Step 5: Solve for x
x = 1,800,052,796,332.48/1,536,983.05 - Step 6: Final answer
x = 1,171,159.82
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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.