Finding the Fourth Proportional to 1,374,106.28, 1,896,278.04 and 762,299.10
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Solution
The fourth proportional to 1,374,106.28, 1,896,278.04 and 762,299.10 is: 1,051,979.07
Step by Step Solution
- Step 1: Write the proportion equation
1,374,106.28 : 1,896,278.04 = 762,299.10 : x - Step 2: Convert to fraction form
1,374,106.28/1,896,278.04 = 762,299.10/x - Step 3: Cross multiply
1,374,106.28x = 1,896,278.04 × 762,299.10 - Step 4: Simplify right side
1,374,106.28x = 1,445,531,043,241.76 - Step 5: Solve for x
x = 1,445,531,043,241.76/1,374,106.28 - Step 6: Final answer
x = 1,051,979.07
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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.