Finding the Fourth Proportional to 1,374,189.91, 1,896,386.88 and 762,354.79
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Solution
The fourth proportional to 1,374,189.91, 1,896,386.88 and 762,354.79 is: 1,052,052.28
Step by Step Solution
- Step 1: Write the proportion equation
1,374,189.91 : 1,896,386.88 = 762,354.79 : x - Step 2: Convert to fraction form
1,374,189.91/1,896,386.88 = 762,354.79/x - Step 3: Cross multiply
1,374,189.91x = 1,896,386.88 × 762,354.79 - Step 4: Simplify right side
1,374,189.91x = 1,445,719,619,779.02 - Step 5: Solve for x
x = 1,445,719,619,779.02/1,374,189.91 - Step 6: Final answer
x = 1,052,052.28
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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.