Finding the Fourth Proportional to 6,257,876.64, 9,388,270.68 and 1,939,697.79
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Solution
The fourth proportional to 6,257,876.64, 9,388,270.68 and 1,939,697.79 is: 2,909,997.90
Step by Step Solution
- Step 1: Write the proportion equation
6,257,876.64 : 9,388,270.68 = 1,939,697.79 : x - Step 2: Convert to fraction form
6,257,876.64/9,388,270.68 = 1,939,697.79/x - Step 3: Cross multiply
6,257,876.64x = 9,388,270.68 × 1,939,697.79 - Step 4: Simplify right side
6,257,876.64x = 18,210,407,847,437.91 - Step 5: Solve for x
x = 18,210,407,847,437.91/6,257,876.64 - Step 6: Final answer
x = 2,909,997.90
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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.