Finding the Fourth Proportional to 3,075,574.84, 4,614,349.38 and 1,478,253.76
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Solution
The fourth proportional to 3,075,574.84, 4,614,349.38 and 1,478,253.76 is: 2,217,855.09
Step by Step Solution
- Step 1: Write the proportion equation
3,075,574.84 : 4,614,349.38 = 1,478,253.76 : x - Step 2: Convert to fraction form
3,075,574.84/4,614,349.38 = 1,478,253.76/x - Step 3: Cross multiply
3,075,574.84x = 4,614,349.38 × 1,478,253.76 - Step 4: Simplify right side
3,075,574.84x = 6,821,179,320,938.67 - Step 5: Solve for x
x = 6,821,179,320,938.67/3,075,574.84 - Step 6: Final answer
x = 2,217,855.09
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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.