Finding the Fourth Proportional to 5,312,565.36, 7,968,855.24 and 2,277,971.64
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Solution
The fourth proportional to 5,312,565.36, 7,968,855.24 and 2,277,971.64 is: 3,416,960.55
Step by Step Solution
- Step 1: Write the proportion equation
5,312,565.36 : 7,968,855.24 = 2,277,971.64 : x - Step 2: Convert to fraction form
5,312,565.36/7,968,855.24 = 2,277,971.64/x - Step 3: Cross multiply
5,312,565.36x = 7,968,855.24 × 2,277,971.64 - Step 4: Simplify right side
5,312,565.36x = 18,152,826,239,985.39 - Step 5: Solve for x
x = 18,152,826,239,985.39/5,312,565.36 - Step 6: Final answer
x = 3,416,960.55
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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.