Finding the Fourth Proportional to 1,486,406.97, 2,051,268.65 and 841,960.95
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Solution
The fourth proportional to 1,486,406.97, 2,051,268.65 and 841,960.95 is: 1,161,921.42
Step by Step Solution
- Step 1: Write the proportion equation
1,486,406.97 : 2,051,268.65 = 841,960.95 : x - Step 2: Convert to fraction form
1,486,406.97/2,051,268.65 = 841,960.95/x - Step 3: Cross multiply
1,486,406.97x = 2,051,268.65 × 841,960.95 - Step 4: Simplify right side
1,486,406.97x = 1,727,088,101,259.22 - Step 5: Solve for x
x = 1,727,088,101,259.22/1,486,406.97 - Step 6: Final answer
x = 1,161,921.42
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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.