Finding the Fourth Proportional to 4,890,569.16, 6,748,649.76 and 2,714,942.88
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Solution
The fourth proportional to 4,890,569.16, 6,748,649.76 and 2,714,942.88 is: 3,746,434.83
Step by Step Solution
- Step 1: Write the proportion equation
4,890,569.16 : 6,748,649.76 = 2,714,942.88 : x - Step 2: Convert to fraction form
4,890,569.16/6,748,649.76 = 2,714,942.88/x - Step 3: Cross multiply
4,890,569.16x = 6,748,649.76 × 2,714,942.88 - Step 4: Simplify right side
4,890,569.16x = 18,322,198,615,525.71 - Step 5: Solve for x
x = 18,322,198,615,525.71/4,890,569.16 - Step 6: Final answer
x = 3,746,434.83
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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.