Finding the Fourth Proportional to 2,266,855.28, 3,128,148 and 1,248,069.68
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Solution
The fourth proportional to 2,266,855.28, 3,128,148 and 1,248,069.68 is: 1,722,274.34
Step by Step Solution
- Step 1: Write the proportion equation
2,266,855.28 : 3,128,148 = 1,248,069.68 : x - Step 2: Convert to fraction form
2,266,855.28/3,128,148 = 1,248,069.68/x - Step 3: Cross multiply
2,266,855.28x = 3,128,148 × 1,248,069.68 - Step 4: Simplify right side
2,266,855.28x = 3,904,146,673,352.64 - Step 5: Solve for x
x = 3,904,146,673,352.64/2,266,855.28 - Step 6: Final answer
x = 1,722,274.34
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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.