Finding the Fourth Proportional to 1,518,986.34, 2,278,706.04 and 559,368.15
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Solution
The fourth proportional to 1,518,986.34, 2,278,706.04 and 559,368.15 is: 839,135.64
Step by Step Solution
- Step 1: Write the proportion equation
1,518,986.34 : 2,278,706.04 = 559,368.15 : x - Step 2: Convert to fraction form
1,518,986.34/2,278,706.04 = 559,368.15/x - Step 3: Cross multiply
1,518,986.34x = 2,278,706.04 × 559,368.15 - Step 4: Simplify right side
1,518,986.34x = 1,274,635,581,988.63 - Step 5: Solve for x
x = 1,274,635,581,988.63/1,518,986.34 - Step 6: Final answer
x = 839,135.64
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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.