Finding the Fourth Proportional to 1,971,237.97, 2,719,794.19 and 1,155,003.13
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Solution
The fourth proportional to 1,971,237.97, 2,719,794.19 and 1,155,003.13 is: 1,593,603.03
Step by Step Solution
- Step 1: Write the proportion equation
1,971,237.97 : 2,719,794.19 = 1,155,003.13 : x - Step 2: Convert to fraction form
1,971,237.97/2,719,794.19 = 1,155,003.13/x - Step 3: Cross multiply
1,971,237.97x = 2,719,794.19 × 1,155,003.13 - Step 4: Simplify right side
1,971,237.97x = 3,141,370,802,405.81 - Step 5: Solve for x
x = 3,141,370,802,405.81/1,971,237.97 - Step 6: Final answer
x = 1,593,603.03
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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.