Finding the Fourth Proportional to 3,167,995.98, 4,371,807.67 and 1,791,609.96
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Solution
The fourth proportional to 3,167,995.98, 4,371,807.67 and 1,791,609.96 is: 2,472,406.60
Step by Step Solution
- Step 1: Write the proportion equation
3,167,995.98 : 4,371,807.67 = 1,791,609.96 : x - Step 2: Convert to fraction form
3,167,995.98/4,371,807.67 = 1,791,609.96/x - Step 3: Cross multiply
3,167,995.98x = 4,371,807.67 × 1,791,609.96 - Step 4: Simplify right side
3,167,995.98x = 7,832,574,164,776.39 - Step 5: Solve for x
x = 7,832,574,164,776.39/3,167,995.98 - Step 6: Final answer
x = 2,472,406.60
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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.