Finding the Fourth Proportional to 1,418,428.80, 2,127,837.60 and 471,700.80
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Solution
The fourth proportional to 1,418,428.80, 2,127,837.60 and 471,700.80 is: 707,615.85
Step by Step Solution
- Step 1: Write the proportion equation
1,418,428.80 : 2,127,837.60 = 471,700.80 : x - Step 2: Convert to fraction form
1,418,428.80/2,127,837.60 = 471,700.80/x - Step 3: Cross multiply
1,418,428.80x = 2,127,837.60 × 471,700.80 - Step 4: Simplify right side
1,418,428.80x = 1,003,702,698,190.08 - Step 5: Solve for x
x = 1,003,702,698,190.08/1,418,428.80 - Step 6: Final answer
x = 707,615.85
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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.