Finding the Fourth Proportional to 5,273,281.40, 7,909,922.12 and 2,432,553.08
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Solution
The fourth proportional to 5,273,281.40, 7,909,922.12 and 2,432,553.08 is: 3,648,829.63
Step by Step Solution
- Step 1: Write the proportion equation
5,273,281.40 : 7,909,922.12 = 2,432,553.08 : x - Step 2: Convert to fraction form
5,273,281.40/7,909,922.12 = 2,432,553.08/x - Step 3: Cross multiply
5,273,281.40x = 7,909,922.12 × 2,432,553.08 - Step 4: Simplify right side
5,273,281.40x = 19,241,305,415,566.13 - Step 5: Solve for x
x = 19,241,305,415,566.13/5,273,281.40 - Step 6: Final answer
x = 3,648,829.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.