Finding the Fourth Proportional to 6,187,045.86, 8,539,149.33 and 3,608,726.49
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Solution
The fourth proportional to 6,187,045.86, 8,539,149.33 and 3,608,726.49 is: 4,980,641.02
Step by Step Solution
- Step 1: Write the proportion equation
6,187,045.86 : 8,539,149.33 = 3,608,726.49 : x - Step 2: Convert to fraction form
6,187,045.86/8,539,149.33 = 3,608,726.49/x - Step 3: Cross multiply
6,187,045.86x = 8,539,149.33 × 3,608,726.49 - Step 4: Simplify right side
6,187,045.86x = 30,815,454,389,236.75 - Step 5: Solve for x
x = 30,815,454,389,236.75/6,187,045.86 - Step 6: Final answer
x = 4,980,641.02
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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.