Finding the Fourth Proportional to 5,276,877.18, 7,282,117.44 and 2,984,988.66
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Solution
The fourth proportional to 5,276,877.18, 7,282,117.44 and 2,984,988.66 is: 4,119,299.59
Step by Step Solution
- Step 1: Write the proportion equation
5,276,877.18 : 7,282,117.44 = 2,984,988.66 : x - Step 2: Convert to fraction form
5,276,877.18/7,282,117.44 = 2,984,988.66/x - Step 3: Cross multiply
5,276,877.18x = 7,282,117.44 × 2,984,988.66 - Step 4: Simplify right side
5,276,877.18x = 21,737,037,979,188.23 - Step 5: Solve for x
x = 21,737,037,979,188.23/5,276,877.18 - Step 6: Final answer
x = 4,119,299.59
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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.