Finding the Fourth Proportional to 4,474,563.48, 6,174,678.69 and 2,540,782.65
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Solution
The fourth proportional to 4,474,563.48, 6,174,678.69 and 2,540,782.65 is: 3,506,155.75
Step by Step Solution
- Step 1: Write the proportion equation
4,474,563.48 : 6,174,678.69 = 2,540,782.65 : x - Step 2: Convert to fraction form
4,474,563.48/6,174,678.69 = 2,540,782.65/x - Step 3: Cross multiply
4,474,563.48x = 6,174,678.69 × 2,540,782.65 - Step 4: Simplify right side
4,474,563.48x = 15,688,516,484,876.73 - Step 5: Solve for x
x = 15,688,516,484,876.73/4,474,563.48 - Step 6: Final answer
x = 3,506,155.75
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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.