Finding the Fourth Proportional to 4,824,240.86, 6,660,567.96 and 2,990,658.80
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Solution
The fourth proportional to 4,824,240.86, 6,660,567.96 and 2,990,658.80 is: 4,129,040.56
Step by Step Solution
- Step 1: Write the proportion equation
4,824,240.86 : 6,660,567.96 = 2,990,658.80 : x - Step 2: Convert to fraction form
4,824,240.86/6,660,567.96 = 2,990,658.80/x - Step 3: Cross multiply
4,824,240.86x = 6,660,567.96 × 2,990,658.80 - Step 4: Simplify right side
4,824,240.86x = 19,919,486,182,572.05 - Step 5: Solve for x
x = 19,919,486,182,572.05/4,824,240.86 - Step 6: Final answer
x = 4,129,040.56
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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.