Finding the Fourth Proportional to 1,418,536.80, 2,127,999.60 and 471,808.80
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Solution
The fourth proportional to 1,418,536.80, 2,127,999.60 and 471,808.80 is: 707,777.86
Step by Step Solution
- Step 1: Write the proportion equation
1,418,536.80 : 2,127,999.60 = 471,808.80 : x - Step 2: Convert to fraction form
1,418,536.80/2,127,999.60 = 471,808.80/x - Step 3: Cross multiply
1,418,536.80x = 2,127,999.60 × 471,808.80 - Step 4: Simplify right side
1,418,536.80x = 1,004,008,937,676.48 - Step 5: Solve for x
x = 1,004,008,937,676.48/1,418,536.80 - Step 6: Final answer
x = 707,777.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.