Finding the Fourth Proportional to 6,326,685.63, 8,730,830.84 and 3,426,079.68
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Solution
The fourth proportional to 6,326,685.63, 8,730,830.84 and 3,426,079.68 is: 4,727,992.48
Step by Step Solution
- Step 1: Write the proportion equation
6,326,685.63 : 8,730,830.84 = 3,426,079.68 : x - Step 2: Convert to fraction form
6,326,685.63/8,730,830.84 = 3,426,079.68/x - Step 3: Cross multiply
6,326,685.63x = 8,730,830.84 × 3,426,079.68 - Step 4: Simplify right side
6,326,685.63x = 29,912,522,113,310.94 - Step 5: Solve for x
x = 29,912,522,113,310.94/6,326,685.63 - Step 6: Final answer
x = 4,727,992.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.