Finding the Fourth Proportional to 1,009,161.14, 1,391,511.06 and 824,827.80
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Solution
The fourth proportional to 1,009,161.14, 1,391,511.06 and 824,827.80 is: 1,137,337.70
Step by Step Solution
- Step 1: Write the proportion equation
1,009,161.14 : 1,391,511.06 = 824,827.80 : x - Step 2: Convert to fraction form
1,009,161.14/1,391,511.06 = 824,827.80/x - Step 3: Cross multiply
1,009,161.14x = 1,391,511.06 × 824,827.80 - Step 4: Simplify right side
1,009,161.14x = 1,147,757,006,295.47 - Step 5: Solve for x
x = 1,147,757,006,295.47/1,009,161.14 - Step 6: Final answer
x = 1,137,337.70
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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.