Finding the Fourth Proportional to 5,257,504.08, 7,886,885.86 and 1,613,756.75
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Solution
The fourth proportional to 5,257,504.08, 7,886,885.86 and 1,613,756.75 is: 2,420,828.42
Step by Step Solution
- Step 1: Write the proportion equation
5,257,504.08 : 7,886,885.86 = 1,613,756.75 : x - Step 2: Convert to fraction form
5,257,504.08/7,886,885.86 = 1,613,756.75/x - Step 3: Cross multiply
5,257,504.08x = 7,886,885.86 × 1,613,756.75 - Step 4: Simplify right side
5,257,504.08x = 12,727,515,293,054.55 - Step 5: Solve for x
x = 12,727,515,293,054.55/5,257,504.08 - Step 6: Final answer
x = 2,420,828.42
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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.