Finding the Fourth Proportional to 1,430,816.66, 1,972,553.97 and 1,141,410.48
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Solution
The fourth proportional to 1,430,816.66, 1,972,553.97 and 1,141,410.48 is: 1,573,572.52
Step by Step Solution
- Step 1: Write the proportion equation
1,430,816.66 : 1,972,553.97 = 1,141,410.48 : x - Step 2: Convert to fraction form
1,430,816.66/1,972,553.97 = 1,141,410.48/x - Step 3: Cross multiply
1,430,816.66x = 1,972,553.97 × 1,141,410.48 - Step 4: Simplify right side
1,430,816.66x = 2,251,493,773,723.61 - Step 5: Solve for x
x = 2,251,493,773,723.61/1,430,816.66 - Step 6: Final answer
x = 1,573,572.52
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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.