Finding the Fourth Proportional to 3,207,084.13, 4,425,776.99 and 1,756,831.51
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Solution
The fourth proportional to 3,207,084.13, 4,425,776.99 and 1,756,831.51 is: 2,424,427.97
Step by Step Solution
- Step 1: Write the proportion equation
3,207,084.13 : 4,425,776.99 = 1,756,831.51 : x - Step 2: Convert to fraction form
3,207,084.13/4,425,776.99 = 1,756,831.51/x - Step 3: Cross multiply
3,207,084.13x = 4,425,776.99 × 1,756,831.51 - Step 4: Simplify right side
3,207,084.13x = 7,775,344,463,480.80 - Step 5: Solve for x
x = 7,775,344,463,480.80/3,207,084.13 - Step 6: Final answer
x = 2,424,427.97
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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.