Finding the Fourth Proportional to 5,747,214.28, 8,621,488.42 and 1,909,379.20
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Solution
The fourth proportional to 5,747,214.28, 8,621,488.42 and 1,909,379.20 is: 2,864,290.40
Step by Step Solution
- Step 1: Write the proportion equation
5,747,214.28 : 8,621,488.42 = 1,909,379.20 : x - Step 2: Convert to fraction form
5,747,214.28/8,621,488.42 = 1,909,379.20/x - Step 3: Cross multiply
5,747,214.28x = 8,621,488.42 × 1,909,379.20 - Step 4: Simplify right side
5,747,214.28x = 16,461,690,662,188.86 - Step 5: Solve for x
x = 16,461,690,662,188.86/5,747,214.28 - Step 6: Final answer
x = 2,864,290.40
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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.