Finding the Fourth Proportional to 2,991,911.08, 4,487,866.41 and 748,049.08
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Solution
The fourth proportional to 2,991,911.08, 4,487,866.41 and 748,049.08 is: 1,122,073.57
Step by Step Solution
- Step 1: Write the proportion equation
2,991,911.08 : 4,487,866.41 = 748,049.08 : x - Step 2: Convert to fraction form
2,991,911.08/4,487,866.41 = 748,049.08/x - Step 3: Cross multiply
2,991,911.08x = 4,487,866.41 × 748,049.08 - Step 4: Simplify right side
2,991,911.08x = 3,357,144,330,748.92 - Step 5: Solve for x
x = 3,357,144,330,748.92/2,991,911.08 - Step 6: Final answer
x = 1,122,073.57
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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.