Finding the Fourth Proportional to 3,493,372.89, 5,240,551.41 and 1,218,565.53
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Solution
The fourth proportional to 3,493,372.89, 5,240,551.41 and 1,218,565.53 is: 1,828,019.94
Step by Step Solution
- Step 1: Write the proportion equation
3,493,372.89 : 5,240,551.41 = 1,218,565.53 : x - Step 2: Convert to fraction form
3,493,372.89/5,240,551.41 = 1,218,565.53/x - Step 3: Cross multiply
3,493,372.89x = 5,240,551.41 × 1,218,565.53 - Step 4: Simplify right side
3,493,372.89x = 6,385,955,306,418.90 - Step 5: Solve for x
x = 6,385,955,306,418.90/3,493,372.89 - Step 6: Final answer
x = 1,828,019.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.