Finding the Fourth Proportional to 5,359,119.32, 7,395,651.92 and 2,911,771.23
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Solution
The fourth proportional to 5,359,119.32, 7,395,651.92 and 2,911,771.23 is: 4,018,280.84
Step by Step Solution
- Step 1: Write the proportion equation
5,359,119.32 : 7,395,651.92 = 2,911,771.23 : x - Step 2: Convert to fraction form
5,359,119.32/7,395,651.92 = 2,911,771.23/x - Step 3: Cross multiply
5,359,119.32x = 7,395,651.92 × 2,911,771.23 - Step 4: Simplify right side
5,359,119.32x = 21,534,446,473,191.41 - Step 5: Solve for x
x = 21,534,446,473,191.41/5,359,119.32 - Step 6: Final answer
x = 4,018,280.84
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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.