Finding the Fourth Proportional to 1,902,407.49, 2,625,239.70 and 1,138,882.05
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Solution
The fourth proportional to 1,902,407.49, 2,625,239.70 and 1,138,882.05 is: 1,571,607.76
Step by Step Solution
- Step 1: Write the proportion equation
1,902,407.49 : 2,625,239.70 = 1,138,882.05 : x - Step 2: Convert to fraction form
1,902,407.49/2,625,239.70 = 1,138,882.05/x - Step 3: Cross multiply
1,902,407.49x = 2,625,239.70 × 1,138,882.05 - Step 4: Simplify right side
1,902,407.49x = 2,989,838,371,277.39 - Step 5: Solve for x
x = 2,989,838,371,277.39/1,902,407.49 - Step 6: Final answer
x = 1,571,607.76
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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.