Finding the Fourth Proportional to 2,877,406.21, 4,315,764.84 and 2,238,348.43
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Solution
The fourth proportional to 2,877,406.21, 4,315,764.84 and 2,238,348.43 is: 3,357,254.68
Step by Step Solution
- Step 1: Write the proportion equation
2,877,406.21 : 4,315,764.84 = 2,238,348.43 : x - Step 2: Convert to fraction form
2,877,406.21/4,315,764.84 = 2,238,348.43/x - Step 3: Cross multiply
2,877,406.21x = 4,315,764.84 × 2,238,348.43 - Step 4: Simplify right side
2,877,406.21x = 9,660,185,453,863.20 - Step 5: Solve for x
x = 9,660,185,453,863.20/2,877,406.21 - Step 6: Final answer
x = 3,357,254.68
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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.