Finding the Fourth Proportional to 1,810,842.21, 2,712,129.80 and 864,877.23
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Solution
The fourth proportional to 1,810,842.21, 2,712,129.80 and 864,877.23 is: 1,295,341.63
Step by Step Solution
- Step 1: Write the proportion equation
1,810,842.21 : 2,712,129.80 = 864,877.23 : x - Step 2: Convert to fraction form
1,810,842.21/2,712,129.80 = 864,877.23/x - Step 3: Cross multiply
1,810,842.21x = 2,712,129.80 × 864,877.23 - Step 4: Simplify right side
1,810,842.21x = 2,345,659,304,500.07 - Step 5: Solve for x
x = 2,345,659,304,500.07/1,810,842.21 - Step 6: Final answer
x = 1,295,341.63
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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.