Finding the Fourth Proportional to 2,469,071.47, 3,407,450.99 and 1,381,278.17
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Solution
The fourth proportional to 2,469,071.47, 3,407,450.99 and 1,381,278.17 is: 1,906,237.93
Step by Step Solution
- Step 1: Write the proportion equation
2,469,071.47 : 3,407,450.99 = 1,381,278.17 : x - Step 2: Convert to fraction form
2,469,071.47/3,407,450.99 = 1,381,278.17/x - Step 3: Cross multiply
2,469,071.47x = 3,407,450.99 × 1,381,278.17 - Step 4: Simplify right side
2,469,071.47x = 4,706,637,671,285.08 - Step 5: Solve for x
x = 4,706,637,671,285.08/2,469,071.47 - Step 6: Final answer
x = 1,906,237.93
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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.