Finding the Fourth Proportional to 7,186,363.20, 10,779,544.80 and 3,592,684.80
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Solution
The fourth proportional to 7,186,363.20, 10,779,544.80 and 3,592,684.80 is: 5,389,027.20
Step by Step Solution
- Step 1: Write the proportion equation
7,186,363.20 : 10,779,544.80 = 3,592,684.80 : x - Step 2: Convert to fraction form
7,186,363.20/10,779,544.80 = 3,592,684.80/x - Step 3: Cross multiply
7,186,363.20x = 10,779,544.80 × 3,592,684.80 - Step 4: Simplify right side
7,186,363.20x = 38,727,506,753,879.04 - Step 5: Solve for x
x = 38,727,506,753,879.04/7,186,363.20 - Step 6: Final answer
x = 5,389,027.20
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Similar ratio
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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.