Finding the Fourth Proportional to 2,726,988.81, 3,763,269.95 and 1,503,338.13
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Solution
The fourth proportional to 2,726,988.81, 3,763,269.95 and 1,503,338.13 is: 2,074,620.61
Step by Step Solution
- Step 1: Write the proportion equation
2,726,988.81 : 3,763,269.95 = 1,503,338.13 : x - Step 2: Convert to fraction form
2,726,988.81/3,763,269.95 = 1,503,338.13/x - Step 3: Cross multiply
2,726,988.81x = 3,763,269.95 × 1,503,338.13 - Step 4: Simplify right side
2,726,988.81x = 5,657,467,186,743.50 - Step 5: Solve for x
x = 5,657,467,186,743.50/2,726,988.81 - Step 6: Final answer
x = 2,074,620.61
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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.