Finding the Fourth Proportional to 1,374,609.86, 1,896,971.92 and 762,765.02
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Solution
The fourth proportional to 1,374,609.86, 1,896,971.92 and 762,765.02 is: 1,052,621.45
Step by Step Solution
- Step 1: Write the proportion equation
1,374,609.86 : 1,896,971.92 = 762,765.02 : x - Step 2: Convert to fraction form
1,374,609.86/1,896,971.92 = 762,765.02/x - Step 3: Cross multiply
1,374,609.86x = 1,896,971.92 × 762,765.02 - Step 4: Simplify right side
1,374,609.86x = 1,446,943,824,498.24 - Step 5: Solve for x
x = 1,446,943,824,498.24/1,374,609.86 - Step 6: Final answer
x = 1,052,621.45
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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.