Finding the Fourth Proportional to 2,565,955.44, 3,541,129.74 and 1,420,036.20
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Solution
The fourth proportional to 2,565,955.44, 3,541,129.74 and 1,420,036.20 is: 1,959,711.51
Step by Step Solution
- Step 1: Write the proportion equation
2,565,955.44 : 3,541,129.74 = 1,420,036.20 : x - Step 2: Convert to fraction form
2,565,955.44/3,541,129.74 = 1,420,036.20/x - Step 3: Cross multiply
2,565,955.44x = 3,541,129.74 × 1,420,036.20 - Step 4: Simplify right side
2,565,955.44x = 5,028,532,419,696.59 - Step 5: Solve for x
x = 5,028,532,419,696.59/2,565,955.44 - Step 6: Final answer
x = 1,959,711.51
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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.