Finding the Fourth Proportional to 1,877,028.96, 2,589,621.12 and 1,232,798.40
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Solution
The fourth proportional to 1,877,028.96, 2,589,621.12 and 1,232,798.40 is: 1,700,815.94
Step by Step Solution
- Step 1: Write the proportion equation
1,877,028.96 : 2,589,621.12 = 1,232,798.40 : x - Step 2: Convert to fraction form
1,877,028.96/2,589,621.12 = 1,232,798.40/x - Step 3: Cross multiply
1,877,028.96x = 2,589,621.12 × 1,232,798.40 - Step 4: Simplify right side
1,877,028.96x = 3,192,480,773,342.21 - Step 5: Solve for x
x = 3,192,480,773,342.21/1,877,028.96 - Step 6: Final answer
x = 1,700,815.94
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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.