Finding the Fourth Proportional to 1,432,271.36, 2,148,672.71 and 472,793.81
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Solution
The fourth proportional to 1,432,271.36, 2,148,672.71 and 472,793.81 is: 709,278.41
Step by Step Solution
- Step 1: Write the proportion equation
1,432,271.36 : 2,148,672.71 = 472,793.81 : x - Step 2: Convert to fraction form
1,432,271.36/2,148,672.71 = 472,793.81/x - Step 3: Cross multiply
1,432,271.36x = 2,148,672.71 × 472,793.81 - Step 4: Simplify right side
1,432,271.36x = 1,015,879,156,869.36 - Step 5: Solve for x
x = 1,015,879,156,869.36/1,432,271.36 - Step 6: Final answer
x = 709,278.41
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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.