Finding the Fourth Proportional to 1,823,803.67, 2,516,770.77 and 1,007,965.19
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Solution
The fourth proportional to 1,823,803.67, 2,516,770.77 and 1,007,965.19 is: 1,390,948.69
Step by Step Solution
- Step 1: Write the proportion equation
1,823,803.67 : 2,516,770.77 = 1,007,965.19 : x - Step 2: Convert to fraction form
1,823,803.67/2,516,770.77 = 1,007,965.19/x - Step 3: Cross multiply
1,823,803.67x = 2,516,770.77 × 1,007,965.19 - Step 4: Simplify right side
1,823,803.67x = 2,536,817,327,369.50 - Step 5: Solve for x
x = 2,536,817,327,369.50/1,823,803.67 - Step 6: Final answer
x = 1,390,948.69
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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.