Finding the Fourth Proportional to 8,620,815.42, 12,932,223.62 and 2,864,062.80
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Solution
The fourth proportional to 8,620,815.42, 12,932,223.62 and 2,864,062.80 is: 4,296,426.59
Step by Step Solution
- Step 1: Write the proportion equation
8,620,815.42 : 12,932,223.62 = 2,864,062.80 : x - Step 2: Convert to fraction form
8,620,815.42/12,932,223.62 = 2,864,062.80/x - Step 3: Cross multiply
8,620,815.42x = 12,932,223.62 × 2,864,062.80 - Step 4: Simplify right side
8,620,815.42x = 37,038,700,577,003.02 - Step 5: Solve for x
x = 37,038,700,577,003.02/8,620,815.42 - Step 6: Final answer
x = 4,296,426.59
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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.