Finding the Fourth Proportional to 7,001,562.78, 10,496,041.29 and 2,512,789.02
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Solution
The fourth proportional to 7,001,562.78, 10,496,041.29 and 2,512,789.02 is: 3,766,921.49
Step by Step Solution
- Step 1: Write the proportion equation
7,001,562.78 : 10,496,041.29 = 2,512,789.02 : x - Step 2: Convert to fraction form
7,001,562.78/10,496,041.29 = 2,512,789.02/x - Step 3: Cross multiply
7,001,562.78x = 10,496,041.29 × 2,512,789.02 - Step 4: Simplify right side
7,001,562.78x = 26,374,337,306,978.63 - Step 5: Solve for x
x = 26,374,337,306,978.63/7,001,562.78 - Step 6: Final answer
x = 3,766,921.49
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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.