Finding the Fourth Proportional to 3,437,075.40, 4,743,239.22 and 1,888,357.02
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Solution
The fourth proportional to 3,437,075.40, 4,743,239.22 and 1,888,357.02 is: 2,605,973.99
Step by Step Solution
- Step 1: Write the proportion equation
3,437,075.40 : 4,743,239.22 = 1,888,357.02 : x - Step 2: Convert to fraction form
3,437,075.40/4,743,239.22 = 1,888,357.02/x - Step 3: Cross multiply
3,437,075.40x = 4,743,239.22 × 1,888,357.02 - Step 4: Simplify right side
3,437,075.40x = 8,956,929,078,626.32 - Step 5: Solve for x
x = 8,956,929,078,626.32/3,437,075.40 - Step 6: Final answer
x = 2,605,973.99
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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.