Finding the Fourth Proportional to 1,486,478.66, 2,229,731.12 and 587,920.50
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Solution
The fourth proportional to 1,486,478.66, 2,229,731.12 and 587,920.50 is: 881,885.95
Step by Step Solution
- Step 1: Write the proportion equation
1,486,478.66 : 2,229,731.12 = 587,920.50 : x - Step 2: Convert to fraction form
1,486,478.66/2,229,731.12 = 587,920.50/x - Step 3: Cross multiply
1,486,478.66x = 2,229,731.12 × 587,920.50 - Step 4: Simplify right side
1,486,478.66x = 1,310,904,636,405.76 - Step 5: Solve for x
x = 1,310,904,636,405.76/1,486,478.66 - Step 6: Final answer
x = 881,885.95
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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.