Finding the Fourth Proportional to 5,779,315.80, 8,670,285.90 and 3,381,926.40
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Solution
The fourth proportional to 5,779,315.80, 8,670,285.90 and 3,381,926.40 is: 5,073,657.47
Step by Step Solution
- Step 1: Write the proportion equation
5,779,315.80 : 8,670,285.90 = 3,381,926.40 : x - Step 2: Convert to fraction form
5,779,315.80/8,670,285.90 = 3,381,926.40/x - Step 3: Cross multiply
5,779,315.80x = 8,670,285.90 × 3,381,926.40 - Step 4: Simplify right side
5,779,315.80x = 29,322,268,780,757.76 - Step 5: Solve for x
x = 29,322,268,780,757.76/5,779,315.80 - Step 6: Final answer
x = 5,073,657.47
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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.