Finding the Fourth Proportional to 1,531,253.21, 2,113,251.46 and 886,684.77
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Solution
The fourth proportional to 1,531,253.21, 2,113,251.46 and 886,684.77 is: 1,223,695.65
Step by Step Solution
- Step 1: Write the proportion equation
1,531,253.21 : 2,113,251.46 = 886,684.77 : x - Step 2: Convert to fraction form
1,531,253.21/2,113,251.46 = 886,684.77/x - Step 3: Cross multiply
1,531,253.21x = 2,113,251.46 × 886,684.77 - Step 4: Simplify right side
1,531,253.21x = 1,873,787,882,545.55 - Step 5: Solve for x
x = 1,873,787,882,545.55/1,531,253.21 - Step 6: Final answer
x = 1,223,695.65
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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.