Finding the Fourth Proportional to 1,770,129.55, 2,443,165.59 and 1,125,423.82
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Solution
The fourth proportional to 1,770,129.55, 2,443,165.59 and 1,125,423.82 is: 1,553,330.80
Step by Step Solution
- Step 1: Write the proportion equation
1,770,129.55 : 2,443,165.59 = 1,125,423.82 : x - Step 2: Convert to fraction form
1,770,129.55/2,443,165.59 = 1,125,423.82/x - Step 3: Cross multiply
1,770,129.55x = 2,443,165.59 × 1,125,423.82 - Step 4: Simplify right side
1,770,129.55x = 2,749,596,752,134.14 - Step 5: Solve for x
x = 2,749,596,752,134.14/1,770,129.55 - Step 6: Final answer
x = 1,553,330.80
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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.