Finding the Fourth Proportional to 5,809,069.60, 8,721,898.80 and 3,289,645.60
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Solution
The fourth proportional to 5,809,069.60, 8,721,898.80 and 3,289,645.60 is: 4,939,165.48
Step by Step Solution
- Step 1: Write the proportion equation
5,809,069.60 : 8,721,898.80 = 3,289,645.60 : x - Step 2: Convert to fraction form
5,809,069.60/8,721,898.80 = 3,289,645.60/x - Step 3: Cross multiply
5,809,069.60x = 8,721,898.80 × 3,289,645.60 - Step 4: Simplify right side
5,809,069.60x = 28,691,956,011,065.29 - Step 5: Solve for x
x = 28,691,956,011,065.29/5,809,069.60 - Step 6: Final answer
x = 4,939,165.48
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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.