Finding the Fourth Proportional to 2,114,905.55, 2,918,573.36 and 1,148,036.49
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Solution
The fourth proportional to 2,114,905.55, 2,918,573.36 and 1,148,036.49 is: 1,584,292.37
Step by Step Solution
- Step 1: Write the proportion equation
2,114,905.55 : 2,918,573.36 = 1,148,036.49 : x - Step 2: Convert to fraction form
2,114,905.55/2,918,573.36 = 1,148,036.49/x - Step 3: Cross multiply
2,114,905.55x = 2,918,573.36 × 1,148,036.49 - Step 4: Simplify right side
2,114,905.55x = 3,350,628,716,021.91 - Step 5: Solve for x
x = 3,350,628,716,021.91/2,114,905.55 - Step 6: Final answer
x = 1,584,292.37
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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.