Finding the Fourth Proportional to 4,990,886.65, 7,487,656.29 and 1,579,233.88
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Solution
The fourth proportional to 4,990,886.65, 7,487,656.29 and 1,579,233.88 is: 2,369,270.50
Step by Step Solution
- Step 1: Write the proportion equation
4,990,886.65 : 7,487,656.29 = 1,579,233.88 : x - Step 2: Convert to fraction form
4,990,886.65/7,487,656.29 = 1,579,233.88/x - Step 3: Cross multiply
4,990,886.65x = 7,487,656.29 × 1,579,233.88 - Step 4: Simplify right side
4,990,886.65x = 11,824,760,494,963.10 - Step 5: Solve for x
x = 11,824,760,494,963.10/4,990,886.65 - Step 6: Final answer
x = 2,369,270.50
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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.