Finding the Fourth Proportional to 1,663,424.10, 2,295,538.99 and 918,373.95
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Solution
The fourth proportional to 1,663,424.10, 2,295,538.99 and 918,373.95 is: 1,267,363.63
Step by Step Solution
- Step 1: Write the proportion equation
1,663,424.10 : 2,295,538.99 = 918,373.95 : x - Step 2: Convert to fraction form
1,663,424.10/2,295,538.99 = 918,373.95/x - Step 3: Cross multiply
1,663,424.10x = 2,295,538.99 × 918,373.95 - Step 4: Simplify right side
1,663,424.10x = 2,108,163,207,329.38 - Step 5: Solve for x
x = 2,108,163,207,329.38/1,663,424.10 - Step 6: Final answer
x = 1,267,363.63
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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.