Finding the Fourth Proportional to 4,984,476.05, 6,878,406.90 and 2,749,342.19
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Solution
The fourth proportional to 4,984,476.05, 6,878,406.90 and 2,749,342.19 is: 3,793,998.42
Step by Step Solution
- Step 1: Write the proportion equation
4,984,476.05 : 6,878,406.90 = 2,749,342.19 : x - Step 2: Convert to fraction form
4,984,476.05/6,878,406.90 = 2,749,342.19/x - Step 3: Cross multiply
4,984,476.05x = 6,878,406.90 × 2,749,342.19 - Step 4: Simplify right side
4,984,476.05x = 18,911,094,266,075.11 - Step 5: Solve for x
x = 18,911,094,266,075.11/4,984,476.05 - Step 6: Final answer
x = 3,793,998.42
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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.