Finding the Fourth Proportional to 2,119,548.06, 2,924,912.03 and 1,201,860.99
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Solution
The fourth proportional to 2,119,548.06, 2,924,912.03 and 1,201,860.99 is: 1,658,531.71
Step by Step Solution
- Step 1: Write the proportion equation
2,119,548.06 : 2,924,912.03 = 1,201,860.99 : x - Step 2: Convert to fraction form
2,119,548.06/2,924,912.03 = 1,201,860.99/x - Step 3: Cross multiply
2,119,548.06x = 2,924,912.03 × 1,201,860.99 - Step 4: Simplify right side
2,119,548.06x = 3,515,337,662,029.41 - Step 5: Solve for x
x = 3,515,337,662,029.41/2,119,548.06 - Step 6: Final answer
x = 1,658,531.71
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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.