Finding the Fourth Proportional to 1,369,513.62, 1,889,927.37 and 765,901.62
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Solution
The fourth proportional to 1,369,513.62, 1,889,927.37 and 765,901.62 is: 1,056,943.44
Step by Step Solution
- Step 1: Write the proportion equation
1,369,513.62 : 1,889,927.37 = 765,901.62 : x - Step 2: Convert to fraction form
1,369,513.62/1,889,927.37 = 765,901.62/x - Step 3: Cross multiply
1,369,513.62x = 1,889,927.37 × 765,901.62 - Step 4: Simplify right side
1,369,513.62x = 1,447,498,434,365.34 - Step 5: Solve for x
x = 1,447,498,434,365.34/1,369,513.62 - Step 6: Final answer
x = 1,056,943.44
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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.