Finding the Fourth Proportional to 5,440,878.42, 8,148,910.05 and 2,602,998.06
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Solution
The fourth proportional to 5,440,878.42, 8,148,910.05 and 2,602,998.06 is: 3,898,561.12
Step by Step Solution
- Step 1: Write the proportion equation
5,440,878.42 : 8,148,910.05 = 2,602,998.06 : x - Step 2: Convert to fraction form
5,440,878.42/8,148,910.05 = 2,602,998.06/x - Step 3: Cross multiply
5,440,878.42x = 8,148,910.05 × 2,602,998.06 - Step 4: Simplify right side
5,440,878.42x = 21,211,597,051,264.50 - Step 5: Solve for x
x = 21,211,597,051,264.50/5,440,878.42 - Step 6: Final answer
x = 3,898,561.12
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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.