Finding the Fourth Proportional to 2,911,421.97, 4,017,800.21 and 1,671,232.59
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Solution
The fourth proportional to 2,911,421.97, 4,017,800.21 and 1,671,232.59 is: 2,306,322.72
Step by Step Solution
- Step 1: Write the proportion equation
2,911,421.97 : 4,017,800.21 = 1,671,232.59 : x - Step 2: Convert to fraction form
2,911,421.97/4,017,800.21 = 1,671,232.59/x - Step 3: Cross multiply
2,911,421.97x = 4,017,800.21 × 1,671,232.59 - Step 4: Simplify right side
2,911,421.97x = 6,714,678,642,704.68 - Step 5: Solve for x
x = 6,714,678,642,704.68/2,911,421.97 - Step 6: Final answer
x = 2,306,322.72
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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.