Finding the Fourth Proportional to 1,689,432.66, 2,331,584.29 and 964,389.41
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Solution
The fourth proportional to 1,689,432.66, 2,331,584.29 and 964,389.41 is: 1,330,952.84
Step by Step Solution
- Step 1: Write the proportion equation
1,689,432.66 : 2,331,584.29 = 964,389.41 : x - Step 2: Convert to fraction form
1,689,432.66/2,331,584.29 = 964,389.41/x - Step 3: Cross multiply
1,689,432.66x = 2,331,584.29 × 964,389.41 - Step 4: Simplify right side
1,689,432.66x = 2,248,555,196,089.38 - Step 5: Solve for x
x = 2,248,555,196,089.38/1,689,432.66 - Step 6: Final answer
x = 1,330,952.84
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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.