Finding the Fourth Proportional to 2,878,890.96, 4,318,341.57 and 748,971.66
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Solution
The fourth proportional to 2,878,890.96, 4,318,341.57 and 748,971.66 is: 1,123,458.82
Step by Step Solution
- Step 1: Write the proportion equation
2,878,890.96 : 4,318,341.57 = 748,971.66 : x - Step 2: Convert to fraction form
2,878,890.96/4,318,341.57 = 748,971.66/x - Step 3: Cross multiply
2,878,890.96x = 4,318,341.57 × 748,971.66 - Step 4: Simplify right side
2,878,890.96x = 3,234,315,454,129.91 - Step 5: Solve for x
x = 3,234,315,454,129.91/2,878,890.96 - Step 6: Final answer
x = 1,123,458.82
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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.