Finding the Fourth Proportional to 3,121,723.17, 4,307,995.26 and 1,745,124.93
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Solution
The fourth proportional to 3,121,723.17, 4,307,995.26 and 1,745,124.93 is: 2,408,282.07
Step by Step Solution
- Step 1: Write the proportion equation
3,121,723.17 : 4,307,995.26 = 1,745,124.93 : x - Step 2: Convert to fraction form
3,121,723.17/4,307,995.26 = 1,745,124.93/x - Step 3: Cross multiply
3,121,723.17x = 4,307,995.26 × 1,745,124.93 - Step 4: Simplify right side
3,121,723.17x = 7,517,989,926,547.83 - Step 5: Solve for x
x = 7,517,989,926,547.83/3,121,723.17 - Step 6: Final answer
x = 2,408,282.07
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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.