Finding the Fourth Proportional to 6,230,748.80, 9,330,376.80 and 4,971,036.80
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Solution
The fourth proportional to 6,230,748.80, 9,330,376.80 and 4,971,036.80 is: 7,443,992.35
Step by Step Solution
- Step 1: Write the proportion equation
6,230,748.80 : 9,330,376.80 = 4,971,036.80 : x - Step 2: Convert to fraction form
6,230,748.80/9,330,376.80 = 4,971,036.80/x - Step 3: Cross multiply
6,230,748.80x = 9,330,376.80 × 4,971,036.80 - Step 4: Simplify right side
6,230,748.80x = 46,381,646,430,666.24 - Step 5: Solve for x
x = 46,381,646,430,666.24/6,230,748.80 - Step 6: Final answer
x = 7,443,992.35
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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.