Finding the Fourth Proportional to 3,425,432.76, 5,137,951.86 and 1,029,226.68
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Solution
The fourth proportional to 3,425,432.76, 5,137,951.86 and 1,029,226.68 is: 1,543,780.74
Step by Step Solution
- Step 1: Write the proportion equation
3,425,432.76 : 5,137,951.86 = 1,029,226.68 : x - Step 2: Convert to fraction form
3,425,432.76/5,137,951.86 = 1,029,226.68/x - Step 3: Cross multiply
3,425,432.76x = 5,137,951.86 × 1,029,226.68 - Step 4: Simplify right side
3,425,432.76x = 5,288,117,134,867.63 - Step 5: Solve for x
x = 5,288,117,134,867.63/3,425,432.76 - Step 6: Final answer
x = 1,543,780.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.