Finding the Fourth Proportional to 5,406,701.27, 8,113,242.18 and 1,997,400.63
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Solution
The fourth proportional to 5,406,701.27, 8,113,242.18 and 1,997,400.63 is: 2,997,279.54
Step by Step Solution
- Step 1: Write the proportion equation
5,406,701.27 : 8,113,242.18 = 1,997,400.63 : x - Step 2: Convert to fraction form
5,406,701.27/8,113,242.18 = 1,997,400.63/x - Step 3: Cross multiply
5,406,701.27x = 8,113,242.18 × 1,997,400.63 - Step 4: Simplify right side
5,406,701.27x = 16,205,395,079,589.48 - Step 5: Solve for x
x = 16,205,395,079,589.48/5,406,701.27 - Step 6: Final answer
x = 2,997,279.54
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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.