Finding the Fourth Proportional to 1,836,308.97, 2,531,435.58 and 1,283,307.75
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Solution
The fourth proportional to 1,836,308.97, 2,531,435.58 and 1,283,307.75 is: 1,769,098.20
Step by Step Solution
- Step 1: Write the proportion equation
1,836,308.97 : 2,531,435.58 = 1,283,307.75 : x - Step 2: Convert to fraction form
1,836,308.97/2,531,435.58 = 1,283,307.75/x - Step 3: Cross multiply
1,836,308.97x = 2,531,435.58 × 1,283,307.75 - Step 4: Simplify right side
1,836,308.97x = 3,248,610,898,439.75 - Step 5: Solve for x
x = 3,248,610,898,439.75/1,836,308.97 - Step 6: Final answer
x = 1,769,098.20
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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.