Finding the Fourth Proportional to 1,430,893.37, 1,972,659.53 and 1,141,486.98
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Solution
The fourth proportional to 1,430,893.37, 1,972,659.53 and 1,141,486.98 is: 1,573,677.83
Step by Step Solution
- Step 1: Write the proportion equation
1,430,893.37 : 1,972,659.53 = 1,141,486.98 : x - Step 2: Convert to fraction form
1,430,893.37/1,972,659.53 = 1,141,486.98/x - Step 3: Cross multiply
1,430,893.37x = 1,972,659.53 × 1,141,486.98 - Step 4: Simplify right side
1,430,893.37x = 2,251,765,163,760.48 - Step 5: Solve for x
x = 2,251,765,163,760.48/1,430,893.37 - Step 6: Final answer
x = 1,573,677.83
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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.