Finding the Fourth Proportional to 1,974,838.44, 2,725,261.26 and 1,069,420.44
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Solution
The fourth proportional to 1,974,838.44, 2,725,261.26 and 1,069,420.44 is: 1,475,791.66
Step by Step Solution
- Step 1: Write the proportion equation
1,974,838.44 : 2,725,261.26 = 1,069,420.44 : x - Step 2: Convert to fraction form
1,974,838.44/2,725,261.26 = 1,069,420.44/x - Step 3: Cross multiply
1,974,838.44x = 2,725,261.26 × 1,069,420.44 - Step 4: Simplify right side
1,974,838.44x = 2,914,450,095,784.15 - Step 5: Solve for x
x = 2,914,450,095,784.15/1,974,838.44 - Step 6: Final answer
x = 1,475,791.66
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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.