Finding the Fourth Proportional to 4,830,766.11, 7,245,983.07 and 1,236,564.18
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Solution
The fourth proportional to 4,830,766.11, 7,245,983.07 and 1,236,564.18 is: 1,854,803.75
Step by Step Solution
- Step 1: Write the proportion equation
4,830,766.11 : 7,245,983.07 = 1,236,564.18 : x - Step 2: Convert to fraction form
4,830,766.11/7,245,983.07 = 1,236,564.18/x - Step 3: Cross multiply
4,830,766.11x = 7,245,983.07 × 1,236,564.18 - Step 4: Simplify right side
4,830,766.11x = 8,960,123,113,248.43 - Step 5: Solve for x
x = 8,960,123,113,248.43/4,830,766.11 - Step 6: Final answer
x = 1,854,803.75
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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.