Finding the Fourth Proportional to 2,775,382.56, 3,829,816.56 and 1,687,503.12
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Solution
The fourth proportional to 2,775,382.56, 3,829,816.56 and 1,687,503.12 is: 2,328,625.79
Step by Step Solution
- Step 1: Write the proportion equation
2,775,382.56 : 3,829,816.56 = 1,687,503.12 : x - Step 2: Convert to fraction form
2,775,382.56/3,829,816.56 = 1,687,503.12/x - Step 3: Cross multiply
2,775,382.56x = 3,829,816.56 × 1,687,503.12 - Step 4: Simplify right side
2,775,382.56x = 6,462,827,394,027.67 - Step 5: Solve for x
x = 6,462,827,394,027.67/2,775,382.56 - Step 6: Final answer
x = 2,328,625.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.