Finding the Fourth Proportional to 2,140,584.84, 3,211,412.40 and 1,510,728.84
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Solution
The fourth proportional to 2,140,584.84, 3,211,412.40 and 1,510,728.84 is: 2,266,470.94
Step by Step Solution
- Step 1: Write the proportion equation
2,140,584.84 : 3,211,412.40 = 1,510,728.84 : x - Step 2: Convert to fraction form
2,140,584.84/3,211,412.40 = 1,510,728.84/x - Step 3: Cross multiply
2,140,584.84x = 3,211,412.40 × 1,510,728.84 - Step 4: Simplify right side
2,140,584.84x = 4,851,573,329,813.62 - Step 5: Solve for x
x = 4,851,573,329,813.62/2,140,584.84 - Step 6: Final answer
x = 2,266,470.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.