Finding the Fourth Proportional to 6,290,266.91, 9,421,569.99 and 5,198,404.88
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Solution
The fourth proportional to 6,290,266.91, 9,421,569.99 and 5,198,404.88 is: 7,786,177.63
Step by Step Solution
- Step 1: Write the proportion equation
6,290,266.91 : 9,421,569.99 = 5,198,404.88 : x - Step 2: Convert to fraction form
6,290,266.91/9,421,569.99 = 5,198,404.88/x - Step 3: Cross multiply
6,290,266.91x = 9,421,569.99 × 5,198,404.88 - Step 4: Simplify right side
6,290,266.91x = 48,977,135,436,831.48 - Step 5: Solve for x
x = 48,977,135,436,831.48/6,290,266.91 - Step 6: Final answer
x = 7,786,177.63
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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.