Finding the Fourth Proportional to 1,430,838.07, 1,972,583.48 and 1,141,432.05
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Solution
The fourth proportional to 1,430,838.07, 1,972,583.48 and 1,141,432.05 is: 1,573,602.26
Step by Step Solution
- Step 1: Write the proportion equation
1,430,838.07 : 1,972,583.48 = 1,141,432.05 : x - Step 2: Convert to fraction form
1,430,838.07/1,972,583.48 = 1,141,432.05/x - Step 3: Cross multiply
1,430,838.07x = 1,972,583.48 × 1,141,432.05 - Step 4: Simplify right side
1,430,838.07x = 2,251,570,015,623.30 - Step 5: Solve for x
x = 2,251,570,015,623.30/1,430,838.07 - Step 6: Final answer
x = 1,573,602.26
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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.