Finding the Fourth Proportional to 1,555,124.70, 2,332,687.05 and 657,579.90
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Solution
The fourth proportional to 1,555,124.70, 2,332,687.05 and 657,579.90 is: 986,369.85
Step by Step Solution
- Step 1: Write the proportion equation
1,555,124.70 : 2,332,687.05 = 657,579.90 : x - Step 2: Convert to fraction form
1,555,124.70/2,332,687.05 = 657,579.90/x - Step 3: Cross multiply
1,555,124.70x = 2,332,687.05 × 657,579.90 - Step 4: Simplify right side
1,555,124.70x = 1,533,928,117,070.30 - Step 5: Solve for x
x = 1,533,928,117,070.30/1,555,124.70 - Step 6: Final answer
x = 986,369.85
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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.