Finding the Fourth Proportional to 5,346,086.40, 8,020,965.60 and 1,560,124.80
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Solution
The fourth proportional to 5,346,086.40, 8,020,965.60 and 1,560,124.80 is: 2,340,722.99
Step by Step Solution
- Step 1: Write the proportion equation
5,346,086.40 : 8,020,965.60 = 1,560,124.80 : x - Step 2: Convert to fraction form
5,346,086.40/8,020,965.60 = 1,560,124.80/x - Step 3: Cross multiply
5,346,086.40x = 8,020,965.60 × 1,560,124.80 - Step 4: Simplify right side
5,346,086.40x = 12,513,707,352,506.88 - Step 5: Solve for x
x = 12,513,707,352,506.88/5,346,086.40 - Step 6: Final answer
x = 2,340,722.99
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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.