Finding the Fourth Proportional to 1,636,844.58, 2,258,959.05 and 992,291.94
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Solution
The fourth proportional to 1,636,844.58, 2,258,959.05 and 992,291.94 is: 1,369,431.70
Step by Step Solution
- Step 1: Write the proportion equation
1,636,844.58 : 2,258,959.05 = 992,291.94 : x - Step 2: Convert to fraction form
1,636,844.58/2,258,959.05 = 992,291.94/x - Step 3: Cross multiply
1,636,844.58x = 2,258,959.05 × 992,291.94 - Step 4: Simplify right side
1,636,844.58x = 2,241,546,858,105.06 - Step 5: Solve for x
x = 2,241,546,858,105.06/1,636,844.58 - Step 6: Final answer
x = 1,369,431.70
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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.