Finding the Fourth Proportional to 1,374,191.22, 1,896,386.12 and 762,343.99
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Solution
The fourth proportional to 1,374,191.22, 1,896,386.12 and 762,343.99 is: 1,052,035.95
Step by Step Solution
- Step 1: Write the proportion equation
1,374,191.22 : 1,896,386.12 = 762,343.99 : x - Step 2: Convert to fraction form
1,374,191.22/1,896,386.12 = 762,343.99/x - Step 3: Cross multiply
1,374,191.22x = 1,896,386.12 × 762,343.99 - Step 4: Simplify right side
1,374,191.22x = 1,445,698,561,301.42 - Step 5: Solve for x
x = 1,445,698,561,301.42/1,374,191.22 - Step 6: Final answer
x = 1,052,035.95
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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.