Finding the Fourth Proportional to 1,593,631.26, 2,199,211.18 and 878,239.26
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Solution
The fourth proportional to 1,593,631.26, 2,199,211.18 and 878,239.26 is: 1,211,970.20
Step by Step Solution
- Step 1: Write the proportion equation
1,593,631.26 : 2,199,211.18 = 878,239.26 : x - Step 2: Convert to fraction form
1,593,631.26/2,199,211.18 = 878,239.26/x - Step 3: Cross multiply
1,593,631.26x = 2,199,211.18 × 878,239.26 - Step 4: Simplify right side
1,593,631.26x = 1,931,433,599,306.93 - Step 5: Solve for x
x = 1,931,433,599,306.93/1,593,631.26 - Step 6: Final answer
x = 1,211,970.20
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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.