Finding the Fourth Proportional to 4,457,470.40, 6,151,136.64 and 2,420,233.28
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Solution
The fourth proportional to 4,457,470.40, 6,151,136.64 and 2,420,233.28 is: 3,339,828.26
Step by Step Solution
- Step 1: Write the proportion equation
4,457,470.40 : 6,151,136.64 = 2,420,233.28 : x - Step 2: Convert to fraction form
4,457,470.40/6,151,136.64 = 2,420,233.28/x - Step 3: Cross multiply
4,457,470.40x = 6,151,136.64 × 2,420,233.28 - Step 4: Simplify right side
4,457,470.40x = 14,887,185,605,955.38 - Step 5: Solve for x
x = 14,887,185,605,955.38/4,457,470.40 - Step 6: Final answer
x = 3,339,828.26
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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.