Finding the Fourth Proportional to 2,851,356.91, 3,934,872.44 and 1,562,246.11
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Solution
The fourth proportional to 2,851,356.91, 3,934,872.44 and 1,562,246.11 is: 2,155,899.58
Step by Step Solution
- Step 1: Write the proportion equation
2,851,356.91 : 3,934,872.44 = 1,562,246.11 : x - Step 2: Convert to fraction form
2,851,356.91/3,934,872.44 = 1,562,246.11/x - Step 3: Cross multiply
2,851,356.91x = 3,934,872.44 × 1,562,246.11 - Step 4: Simplify right side
2,851,356.91x = 6,147,239,143,061.85 - Step 5: Solve for x
x = 6,147,239,143,061.85/2,851,356.91 - Step 6: Final answer
x = 2,155,899.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.