Finding the Fourth Proportional to 1,891,245.14, 2,609,811.95 and 1,075,647.23
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Solution
The fourth proportional to 1,891,245.14, 2,609,811.95 and 1,075,647.23 is: 1,484,332.69
Step by Step Solution
- Step 1: Write the proportion equation
1,891,245.14 : 2,609,811.95 = 1,075,647.23 : x - Step 2: Convert to fraction form
1,891,245.14/2,609,811.95 = 1,075,647.23/x - Step 3: Cross multiply
1,891,245.14x = 2,609,811.95 × 1,075,647.23 - Step 4: Simplify right side
1,891,245.14x = 2,807,236,984,478.46 - Step 5: Solve for x
x = 2,807,236,984,478.46/1,891,245.14 - Step 6: Final answer
x = 1,484,332.69
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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.