Finding the Fourth Proportional to 4,272,730.41, 6,405,872.19 and 1,392,377.27
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Solution
The fourth proportional to 4,272,730.41, 6,405,872.19 and 1,392,377.27 is: 2,087,515.46
Step by Step Solution
- Step 1: Write the proportion equation
4,272,730.41 : 6,405,872.19 = 1,392,377.27 : x - Step 2: Convert to fraction form
4,272,730.41/6,405,872.19 = 1,392,377.27/x - Step 3: Cross multiply
4,272,730.41x = 6,405,872.19 × 1,392,377.27 - Step 4: Simplify right side
4,272,730.41x = 8,919,390,799,851.76 - Step 5: Solve for x
x = 8,919,390,799,851.76/4,272,730.41 - Step 6: Final answer
x = 2,087,515.46
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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.