Finding the Fourth Proportional to 4,272,299.49, 6,408,442.76 and 1,280,483.49
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Solution
The fourth proportional to 4,272,299.49, 6,408,442.76 and 1,280,483.49 is: 1,920,723.29
Step by Step Solution
- Step 1: Write the proportion equation
4,272,299.49 : 6,408,442.76 = 1,280,483.49 : x - Step 2: Convert to fraction form
4,272,299.49/6,408,442.76 = 1,280,483.49/x - Step 3: Cross multiply
4,272,299.49x = 6,408,442.76 × 1,280,483.49 - Step 4: Simplify right side
4,272,299.49x = 8,205,905,144,387.62 - Step 5: Solve for x
x = 8,205,905,144,387.62/4,272,299.49 - Step 6: Final answer
x = 1,920,723.29
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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.