Finding the Fourth Proportional to 1,767,484.32, 2,439,232.68 and 1,331,131.92
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Solution
The fourth proportional to 1,767,484.32, 2,439,232.68 and 1,331,131.92 is: 1,837,040.61
Step by Step Solution
- Step 1: Write the proportion equation
1,767,484.32 : 2,439,232.68 = 1,331,131.92 : x - Step 2: Convert to fraction form
1,767,484.32/2,439,232.68 = 1,331,131.92/x - Step 3: Cross multiply
1,767,484.32x = 2,439,232.68 × 1,331,131.92 - Step 4: Simplify right side
1,767,484.32x = 3,246,940,480,655.15 - Step 5: Solve for x
x = 3,246,940,480,655.15/1,767,484.32 - Step 6: Final answer
x = 1,837,040.61
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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.