Finding the Fourth Proportional to 3,818,383.74, 5,269,368.42 and 2,099,615.58
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Solution
The fourth proportional to 3,818,383.74, 5,269,368.42 and 2,099,615.58 is: 2,897,468.87
Step by Step Solution
- Step 1: Write the proportion equation
3,818,383.74 : 5,269,368.42 = 2,099,615.58 : x - Step 2: Convert to fraction form
3,818,383.74/5,269,368.42 = 2,099,615.58/x - Step 3: Cross multiply
3,818,383.74x = 5,269,368.42 × 2,099,615.58 - Step 4: Simplify right side
3,818,383.74x = 11,063,648,031,391.98 - Step 5: Solve for x
x = 11,063,648,031,391.98/3,818,383.74 - Step 6: Final answer
x = 2,897,468.87
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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.