Finding the Fourth Proportional to 1,341,593.19, 1,852,437.79 and 1,031,003.81
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Solution
The fourth proportional to 1,341,593.19, 1,852,437.79 and 1,031,003.81 is: 1,423,583.87
Step by Step Solution
- Step 1: Write the proportion equation
1,341,593.19 : 1,852,437.79 = 1,031,003.81 : x - Step 2: Convert to fraction form
1,341,593.19/1,852,437.79 = 1,031,003.81/x - Step 3: Cross multiply
1,341,593.19x = 1,852,437.79 × 1,031,003.81 - Step 4: Simplify right side
1,341,593.19x = 1,909,870,419,277.98 - Step 5: Solve for x
x = 1,909,870,419,277.98/1,341,593.19 - Step 6: Final answer
x = 1,423,583.87
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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.