Finding the Fourth Proportional to 5,746,095.51, 7,929,665.97 and 3,167,868.55
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Solution
The fourth proportional to 5,746,095.51, 7,929,665.97 and 3,167,868.55 is: 4,371,688.46
Step by Step Solution
- Step 1: Write the proportion equation
5,746,095.51 : 7,929,665.97 = 3,167,868.55 : x - Step 2: Convert to fraction form
5,746,095.51/7,929,665.97 = 3,167,868.55/x - Step 3: Cross multiply
5,746,095.51x = 7,929,665.97 × 3,167,868.55 - Step 4: Simplify right side
5,746,095.51x = 25,120,139,438,368.24 - Step 5: Solve for x
x = 25,120,139,438,368.24/5,746,095.51 - Step 6: Final answer
x = 4,371,688.46
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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.