Finding the Fourth Proportional to 4,545,674.85, 6,813,718.70 and 1,512,228.09
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Solution
The fourth proportional to 4,545,674.85, 6,813,718.70 and 1,512,228.09 is: 2,266,747.44
Step by Step Solution
- Step 1: Write the proportion equation
4,545,674.85 : 6,813,718.70 = 1,512,228.09 : x - Step 2: Convert to fraction form
4,545,674.85/6,813,718.70 = 1,512,228.09/x - Step 3: Cross multiply
4,545,674.85x = 6,813,718.70 × 1,512,228.09 - Step 4: Simplify right side
4,545,674.85x = 10,303,896,807,937.14 - Step 5: Solve for x
x = 10,303,896,807,937.14/4,545,674.85 - Step 6: Final answer
x = 2,266,747.44
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1.5x scale
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.