Finding the Fourth Proportional to 5,430,155.40, 8,149,825.80 and 2,237,572.80
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Solution
The fourth proportional to 5,430,155.40, 8,149,825.80 and 2,237,572.80 is: 3,358,251.69
Step by Step Solution
- Step 1: Write the proportion equation
5,430,155.40 : 8,149,825.80 = 2,237,572.80 : x - Step 2: Convert to fraction form
5,430,155.40/8,149,825.80 = 2,237,572.80/x - Step 3: Cross multiply
5,430,155.40x = 8,149,825.80 × 2,237,572.80 - Step 4: Simplify right side
5,430,155.40x = 18,235,828,534,818.24 - Step 5: Solve for x
x = 18,235,828,534,818.24/5,430,155.40 - Step 6: Final answer
x = 3,358,251.69
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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.