Finding the Fourth Proportional to 1,207,462.10, 1,811,193.15 and 577,606.10
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Solution
The fourth proportional to 1,207,462.10, 1,811,193.15 and 577,606.10 is: 866,409.15
Step by Step Solution
- Step 1: Write the proportion equation
1,207,462.10 : 1,811,193.15 = 577,606.10 : x - Step 2: Convert to fraction form
1,207,462.10/1,811,193.15 = 577,606.10/x - Step 3: Cross multiply
1,207,462.10x = 1,811,193.15 × 577,606.10 - Step 4: Simplify right side
1,207,462.10x = 1,046,156,211,718.21 - Step 5: Solve for x
x = 1,046,156,211,718.21/1,207,462.10 - Step 6: Final answer
x = 866,409.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.