Finding the Fourth Proportional to 1,636,295.08, 2,257,487.94 and 991,249.96
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Solution
The fourth proportional to 1,636,295.08, 2,257,487.94 and 991,249.96 is: 1,367,561.91
Step by Step Solution
- Step 1: Write the proportion equation
1,636,295.08 : 2,257,487.94 = 991,249.96 : x - Step 2: Convert to fraction form
1,636,295.08/2,257,487.94 = 991,249.96/x - Step 3: Cross multiply
1,636,295.08x = 2,257,487.94 × 991,249.96 - Step 4: Simplify right side
1,636,295.08x = 2,237,734,830,225.48 - Step 5: Solve for x
x = 2,237,734,830,225.48/1,636,295.08 - Step 6: Final answer
x = 1,367,561.91
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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.