Finding the Fourth Proportional to 1,950,578.05, 2,691,802.14 and 1,079,476.13
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Solution
The fourth proportional to 1,950,578.05, 2,691,802.14 and 1,079,476.13 is: 1,489,679.51
Step by Step Solution
- Step 1: Write the proportion equation
1,950,578.05 : 2,691,802.14 = 1,079,476.13 : x - Step 2: Convert to fraction form
1,950,578.05/2,691,802.14 = 1,079,476.13/x - Step 3: Cross multiply
1,950,578.05x = 2,691,802.14 × 1,079,476.13 - Step 4: Simplify right side
1,950,578.05x = 2,905,736,156,812.92 - Step 5: Solve for x
x = 2,905,736,156,812.92/1,950,578.05 - Step 6: Final answer
x = 1,489,679.51
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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.