Finding the Fourth Proportional to 2,284,756.80, 3,153,089.88 and 1,266,139.68
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Solution
The fourth proportional to 2,284,756.80, 3,153,089.88 and 1,266,139.68 is: 1,747,342.30
Step by Step Solution
- Step 1: Write the proportion equation
2,284,756.80 : 3,153,089.88 = 1,266,139.68 : x - Step 2: Convert to fraction form
2,284,756.80/3,153,089.88 = 1,266,139.68/x - Step 3: Cross multiply
2,284,756.80x = 3,153,089.88 × 1,266,139.68 - Step 4: Simplify right side
2,284,756.80x = 3,992,252,211,674.44 - Step 5: Solve for x
x = 3,992,252,211,674.44/2,284,756.80 - Step 6: Final answer
x = 1,747,342.30
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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.