Finding the Fourth Proportional to 4,072,155.99, 5,619,642.81 and 2,236,783.98
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Solution
The fourth proportional to 4,072,155.99, 5,619,642.81 and 2,236,783.98 is: 3,086,798.99
Step by Step Solution
- Step 1: Write the proportion equation
4,072,155.99 : 5,619,642.81 = 2,236,783.98 : x - Step 2: Convert to fraction form
4,072,155.99/5,619,642.81 = 2,236,783.98/x - Step 3: Cross multiply
4,072,155.99x = 5,619,642.81 × 2,236,783.98 - Step 4: Simplify right side
4,072,155.99x = 12,569,927,010,730.18 - Step 5: Solve for x
x = 12,569,927,010,730.18/4,072,155.99 - Step 6: Final answer
x = 3,086,798.99
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1.5x scale
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.