Finding the Fourth Proportional to 1,588,678.10, 2,192,389.02 and 863,525.70
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Solution
The fourth proportional to 1,588,678.10, 2,192,389.02 and 863,525.70 is: 1,191,672.66
Step by Step Solution
- Step 1: Write the proportion equation
1,588,678.10 : 2,192,389.02 = 863,525.70 : x - Step 2: Convert to fraction form
1,588,678.10/2,192,389.02 = 863,525.70/x - Step 3: Cross multiply
1,588,678.10x = 2,192,389.02 × 863,525.70 - Step 4: Simplify right side
1,588,678.10x = 1,893,184,263,167.81 - Step 5: Solve for x
x = 1,893,184,263,167.81/1,588,678.10 - Step 6: Final answer
x = 1,191,672.66
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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.