Finding the Fourth Proportional to 5,145,725.70, 7,101,537.57 and 2,854,624.50
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Solution
The fourth proportional to 5,145,725.70, 7,101,537.57 and 2,854,624.50 is: 3,939,623.74
Step by Step Solution
- Step 1: Write the proportion equation
5,145,725.70 : 7,101,537.57 = 2,854,624.50 : x - Step 2: Convert to fraction form
5,145,725.70/7,101,537.57 = 2,854,624.50/x - Step 3: Cross multiply
5,145,725.70x = 7,101,537.57 × 2,854,624.50 - Step 4: Simplify right side
5,145,725.70x = 20,272,223,134,992.46 - Step 5: Solve for x
x = 20,272,223,134,992.46/5,145,725.70 - Step 6: Final answer
x = 3,939,623.74
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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.