Finding the Fourth Proportional to 4,075,449.20, 6,113,173.80 and 2,185,881.20
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Solution
The fourth proportional to 4,075,449.20, 6,113,173.80 and 2,185,881.20 is: 3,278,821.80
Step by Step Solution
- Step 1: Write the proportion equation
4,075,449.20 : 6,113,173.80 = 2,185,881.20 : x - Step 2: Convert to fraction form
4,075,449.20/6,113,173.80 = 2,185,881.20/x - Step 3: Cross multiply
4,075,449.20x = 6,113,173.80 × 2,185,881.20 - Step 4: Simplify right side
4,075,449.20x = 13,362,671,681,752.56 - Step 5: Solve for x
x = 13,362,671,681,752.56/4,075,449.20 - Step 6: Final answer
x = 3,278,821.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.