Finding the Fourth Proportional to 5,418,321.68, 8,127,466.31 and 1,374,801.68
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Solution
The fourth proportional to 5,418,321.68, 8,127,466.31 and 1,374,801.68 is: 2,062,198.40
Step by Step Solution
- Step 1: Write the proportion equation
5,418,321.68 : 8,127,466.31 = 1,374,801.68 : x - Step 2: Convert to fraction form
5,418,321.68/8,127,466.31 = 1,374,801.68/x - Step 3: Cross multiply
5,418,321.68x = 8,127,466.31 × 1,374,801.68 - Step 4: Simplify right side
5,418,321.68x = 11,173,654,289,620.06 - Step 5: Solve for x
x = 11,173,654,289,620.06/5,418,321.68 - Step 6: Final answer
x = 2,062,198.40
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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.