Finding the Fourth Proportional to 2,104,351.12, 2,903,241.72 and 1,723,988.08
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Solution
The fourth proportional to 2,104,351.12, 2,903,241.72 and 1,723,988.08 is: 2,378,478.61
Step by Step Solution
- Step 1: Write the proportion equation
2,104,351.12 : 2,903,241.72 = 1,723,988.08 : x - Step 2: Convert to fraction form
2,104,351.12/2,903,241.72 = 1,723,988.08/x - Step 3: Cross multiply
2,104,351.12x = 2,903,241.72 × 1,723,988.08 - Step 4: Simplify right side
2,104,351.12x = 5,005,154,118,638.70 - Step 5: Solve for x
x = 5,005,154,118,638.70/2,104,351.12 - Step 6: Final answer
x = 2,378,478.61
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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.