Finding the Fourth Proportional to 4,155,237.20, 6,234,022.20 and 2,025,390.80
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Solution
The fourth proportional to 4,155,237.20, 6,234,022.20 and 2,025,390.80 is: 3,038,654.74
Step by Step Solution
- Step 1: Write the proportion equation
4,155,237.20 : 6,234,022.20 = 2,025,390.80 : x - Step 2: Convert to fraction form
4,155,237.20/6,234,022.20 = 2,025,390.80/x - Step 3: Cross multiply
4,155,237.20x = 6,234,022.20 × 2,025,390.80 - Step 4: Simplify right side
4,155,237.20x = 12,626,331,210,875.76 - Step 5: Solve for x
x = 12,626,331,210,875.76/4,155,237.20 - Step 6: Final answer
x = 3,038,654.74
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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.