Finding the Fourth Proportional to 3,167,991.09, 4,371,801.12 and 1,791,605.07
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Solution
The fourth proportional to 3,167,991.09, 4,371,801.12 and 1,791,605.07 is: 2,472,399.96
Step by Step Solution
- Step 1: Write the proportion equation
3,167,991.09 : 4,371,801.12 = 1,791,605.07 : x - Step 2: Convert to fraction form
3,167,991.09/4,371,801.12 = 1,791,605.07/x - Step 3: Cross multiply
3,167,991.09x = 4,371,801.12 × 1,791,605.07 - Step 4: Simplify right side
3,167,991.09x = 7,832,541,051,623.68 - Step 5: Solve for x
x = 7,832,541,051,623.68/3,167,991.09 - Step 6: Final answer
x = 2,472,399.96
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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.