Finding the Fourth Proportional to 5,609,312.68, 8,421,803.34 and 2,878,770.28
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Solution
The fourth proportional to 5,609,312.68, 8,421,803.34 and 2,878,770.28 is: 4,322,176.09
Step by Step Solution
- Step 1: Write the proportion equation
5,609,312.68 : 8,421,803.34 = 2,878,770.28 : x - Step 2: Convert to fraction form
5,609,312.68/8,421,803.34 = 2,878,770.28/x - Step 3: Cross multiply
5,609,312.68x = 8,421,803.34 × 2,878,770.28 - Step 4: Simplify right side
5,609,312.68x = 24,244,437,159,196.73 - Step 5: Solve for x
x = 24,244,437,159,196.73/5,609,312.68 - Step 6: Final answer
x = 4,322,176.09
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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.