Finding the Fourth Proportional to 1,348,971.18, 1,862,448.03 and 865,744.62
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Solution
The fourth proportional to 1,348,971.18, 1,862,448.03 and 865,744.62 is: 1,195,284.51
Step by Step Solution
- Step 1: Write the proportion equation
1,348,971.18 : 1,862,448.03 = 865,744.62 : x - Step 2: Convert to fraction form
1,348,971.18/1,862,448.03 = 865,744.62/x - Step 3: Cross multiply
1,348,971.18x = 1,862,448.03 × 865,744.62 - Step 4: Simplify right side
1,348,971.18x = 1,612,404,362,002.10 - Step 5: Solve for x
x = 1,612,404,362,002.10/1,348,971.18 - Step 6: Final answer
x = 1,195,284.51
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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.