Finding the Fourth Proportional to 2,226,228.12, 3,072,195.80 and 1,259,337.80
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Solution
The fourth proportional to 2,226,228.12, 3,072,195.80 and 1,259,337.80 is: 1,737,886.73
Step by Step Solution
- Step 1: Write the proportion equation
2,226,228.12 : 3,072,195.80 = 1,259,337.80 : x - Step 2: Convert to fraction form
2,226,228.12/3,072,195.80 = 1,259,337.80/x - Step 3: Cross multiply
2,226,228.12x = 3,072,195.80 × 1,259,337.80 - Step 4: Simplify right side
2,226,228.12x = 3,868,932,299,941.24 - Step 5: Solve for x
x = 3,868,932,299,941.24/2,226,228.12 - Step 6: Final answer
x = 1,737,886.73
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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.