Finding the Fourth Proportional to 4,600,493.80, 6,902,814.30 and 2,203,412.20
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Solution
The fourth proportional to 4,600,493.80, 6,902,814.30 and 2,203,412.20 is: 3,306,111.45
Step by Step Solution
- Step 1: Write the proportion equation
4,600,493.80 : 6,902,814.30 = 2,203,412.20 : x - Step 2: Convert to fraction form
4,600,493.80/6,902,814.30 = 2,203,412.20/x - Step 3: Cross multiply
4,600,493.80x = 6,902,814.30 × 2,203,412.20 - Step 4: Simplify right side
4,600,493.80x = 15,209,745,242,954.46 - Step 5: Solve for x
x = 15,209,745,242,954.46/4,600,493.80 - Step 6: Final answer
x = 3,306,111.45
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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.