Finding the Fourth Proportional to 4,012,273.38, 6,018,600.75 and 1,280,109.99
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Solution
The fourth proportional to 4,012,273.38, 6,018,600.75 and 1,280,109.99 is: 1,920,225.83
Step by Step Solution
- Step 1: Write the proportion equation
4,012,273.38 : 6,018,600.75 = 1,280,109.99 : x - Step 2: Convert to fraction form
4,012,273.38/6,018,600.75 = 1,280,109.99/x - Step 3: Cross multiply
4,012,273.38x = 6,018,600.75 × 1,280,109.99 - Step 4: Simplify right side
4,012,273.38x = 7,704,470,968,466.25 - Step 5: Solve for x
x = 7,704,470,968,466.25/4,012,273.38 - Step 6: Final answer
x = 1,920,225.83
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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.