Finding the Fourth Proportional to 7,671,181.22, 10,586,219.37 and 4,233,421.70
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Solution
The fourth proportional to 7,671,181.22, 10,586,219.37 and 4,233,421.70 is: 5,842,116.03
Step by Step Solution
- Step 1: Write the proportion equation
7,671,181.22 : 10,586,219.37 = 4,233,421.70 : x - Step 2: Convert to fraction form
7,671,181.22/10,586,219.37 = 4,233,421.70/x - Step 3: Cross multiply
7,671,181.22x = 10,586,219.37 × 4,233,421.70 - Step 4: Simplify right side
7,671,181.22x = 44,815,930,801,918.33 - Step 5: Solve for x
x = 44,815,930,801,918.33/7,671,181.22 - Step 6: Final answer
x = 5,842,116.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.