Finding the Fourth Proportional to 4,984,475.68, 6,878,406.38 and 2,749,341.81
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Solution
The fourth proportional to 4,984,475.68, 6,878,406.38 and 2,749,341.81 is: 3,793,997.90
Step by Step Solution
- Step 1: Write the proportion equation
4,984,475.68 : 6,878,406.38 = 2,749,341.81 : x - Step 2: Convert to fraction form
4,984,475.68/6,878,406.38 = 2,749,341.81/x - Step 3: Cross multiply
4,984,475.68x = 6,878,406.38 × 2,749,341.81 - Step 4: Simplify right side
4,984,475.68x = 18,911,090,253,578.11 - Step 5: Solve for x
x = 18,911,090,253,578.11/4,984,475.68 - Step 6: Final answer
x = 3,793,997.90
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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.