Finding the Fourth Proportional to 2,030,420.53, 2,801,980.79 and 1,214,658.19
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Solution
The fourth proportional to 2,030,420.53, 2,801,980.79 and 1,214,658.19 is: 1,676,228.58
Step by Step Solution
- Step 1: Write the proportion equation
2,030,420.53 : 2,801,980.79 = 1,214,658.19 : x - Step 2: Convert to fraction form
2,030,420.53/2,801,980.79 = 1,214,658.19/x - Step 3: Cross multiply
2,030,420.53x = 2,801,980.79 × 1,214,658.19 - Step 4: Simplify right side
2,030,420.53x = 3,403,448,914,796.17 - Step 5: Solve for x
x = 3,403,448,914,796.17/2,030,420.53 - Step 6: Final answer
x = 1,676,228.58
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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.