Finding the Fourth Proportional to 2,114,661.24, 2,918,154.30 and 1,147,770.96
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Solution
The fourth proportional to 2,114,661.24, 2,918,154.30 and 1,147,770.96 is: 1,583,881.47
Step by Step Solution
- Step 1: Write the proportion equation
2,114,661.24 : 2,918,154.30 = 1,147,770.96 : x - Step 2: Convert to fraction form
2,114,661.24/2,918,154.30 = 1,147,770.96/x - Step 3: Cross multiply
2,114,661.24x = 2,918,154.30 × 1,147,770.96 - Step 4: Simplify right side
2,114,661.24x = 3,349,372,762,339.13 - Step 5: Solve for x
x = 3,349,372,762,339.13/2,114,661.24 - Step 6: Final answer
x = 1,583,881.47
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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.