Finding the Fourth Proportional to 1,902,402.36, 2,625,314.63 and 1,042,944.17
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Solution
The fourth proportional to 1,902,402.36, 2,625,314.63 and 1,042,944.17 is: 1,439,262.60
Step by Step Solution
- Step 1: Write the proportion equation
1,902,402.36 : 2,625,314.63 = 1,042,944.17 : x - Step 2: Convert to fraction form
1,902,402.36/2,625,314.63 = 1,042,944.17/x - Step 3: Cross multiply
1,902,402.36x = 2,625,314.63 × 1,042,944.17 - Step 4: Simplify right side
1,902,402.36x = 2,738,056,569,432.91 - Step 5: Solve for x
x = 2,738,056,569,432.91/1,902,402.36 - Step 6: Final answer
x = 1,439,262.60
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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.