Finding the Fourth Proportional to 3,507,176.68, 4,839,384.84 and 2,129,804.08
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Solution
The fourth proportional to 3,507,176.68, 4,839,384.84 and 2,129,804.08 is: 2,938,814.47
Step by Step Solution
- Step 1: Write the proportion equation
3,507,176.68 : 4,839,384.84 = 2,129,804.08 : x - Step 2: Convert to fraction form
3,507,176.68/4,839,384.84 = 2,129,804.08/x - Step 3: Cross multiply
3,507,176.68x = 4,839,384.84 × 2,129,804.08 - Step 4: Simplify right side
3,507,176.68x = 10,306,941,576,922.15 - Step 5: Solve for x
x = 10,306,941,576,922.15/3,507,176.68 - Step 6: Final answer
x = 2,938,814.47
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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.