Finding the Fourth Proportional to 2,126,857.48, 3,182,791.98 and 1,328,515
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Solution
The fourth proportional to 2,126,857.48, 3,182,791.98 and 1,328,515 is: 1,988,091.32
Step by Step Solution
- Step 1: Write the proportion equation
2,126,857.48 : 3,182,791.98 = 1,328,515 : x - Step 2: Convert to fraction form
2,126,857.48/3,182,791.98 = 1,328,515/x - Step 3: Cross multiply
2,126,857.48x = 3,182,791.98 × 1,328,515 - Step 4: Simplify right side
2,126,857.48x = 4,228,386,887,309.70 - Step 5: Solve for x
x = 4,228,386,887,309.70/2,126,857.48 - Step 6: Final answer
x = 1,988,091.32
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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.