Finding the Fourth Proportional to 4,381,925.20, 6,572,887.80 and 1,542,014.80
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Solution
The fourth proportional to 4,381,925.20, 6,572,887.80 and 1,542,014.80 is: 2,313,022.20
Step by Step Solution
- Step 1: Write the proportion equation
4,381,925.20 : 6,572,887.80 = 1,542,014.80 : x - Step 2: Convert to fraction form
4,381,925.20/6,572,887.80 = 1,542,014.80/x - Step 3: Cross multiply
4,381,925.20x = 6,572,887.80 × 1,542,014.80 - Step 4: Simplify right side
4,381,925.20x = 10,135,490,266,339.44 - Step 5: Solve for x
x = 10,135,490,266,339.44/4,381,925.20 - Step 6: Final answer
x = 2,313,022.20
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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.