Finding the Fourth Proportional to 2,778,765.74, 4,167,565.40 and 783,755.18
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Solution
The fourth proportional to 2,778,765.74, 4,167,565.40 and 783,755.18 is: 1,175,468.27
Step by Step Solution
- Step 1: Write the proportion equation
2,778,765.74 : 4,167,565.40 = 783,755.18 : x - Step 2: Convert to fraction form
2,778,765.74/4,167,565.40 = 783,755.18/x - Step 3: Cross multiply
2,778,765.74x = 4,167,565.40 × 783,755.18 - Step 4: Simplify right side
2,778,765.74x = 3,266,350,970,238.77 - Step 5: Solve for x
x = 3,266,350,970,238.77/2,778,765.74 - Step 6: Final answer
x = 1,175,468.27
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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.