Finding the Fourth Proportional to 4,957,990.56, 7,440,131.88 and 2,118,124.08
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Solution
The fourth proportional to 4,957,990.56, 7,440,131.88 and 2,118,124.08 is: 3,178,530.16
Step by Step Solution
- Step 1: Write the proportion equation
4,957,990.56 : 7,440,131.88 = 2,118,124.08 : x - Step 2: Convert to fraction form
4,957,990.56/7,440,131.88 = 2,118,124.08/x - Step 3: Cross multiply
4,957,990.56x = 7,440,131.88 × 2,118,124.08 - Step 4: Simplify right side
4,957,990.56x = 15,759,122,519,946.96 - Step 5: Solve for x
x = 15,759,122,519,946.96/4,957,990.56 - Step 6: Final answer
x = 3,178,530.16
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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.