Finding the Fourth Proportional to 4,389,778.80, 6,595,727.40 and 2,793,106.80
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Solution
The fourth proportional to 4,389,778.80, 6,595,727.40 and 2,793,106.80 is: 4,196,696.89
Step by Step Solution
- Step 1: Write the proportion equation
4,389,778.80 : 6,595,727.40 = 2,793,106.80 : x - Step 2: Convert to fraction form
4,389,778.80/6,595,727.40 = 2,793,106.80/x - Step 3: Cross multiply
4,389,778.80x = 6,595,727.40 × 2,793,106.80 - Step 4: Simplify right side
4,389,778.80x = 18,422,571,051,886.32 - Step 5: Solve for x
x = 18,422,571,051,886.32/4,389,778.80 - Step 6: Final answer
x = 4,196,696.89
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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.