Finding the Fourth Proportional to 2,561,931.84, 3,535,479.84 and 1,400,379.66
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Solution
The fourth proportional to 2,561,931.84, 3,535,479.84 and 1,400,379.66 is: 1,932,531.53
Step by Step Solution
- Step 1: Write the proportion equation
2,561,931.84 : 3,535,479.84 = 1,400,379.66 : x - Step 2: Convert to fraction form
2,561,931.84/3,535,479.84 = 1,400,379.66/x - Step 3: Cross multiply
2,561,931.84x = 3,535,479.84 × 1,400,379.66 - Step 4: Simplify right side
2,561,931.84x = 4,951,014,056,276.05 - Step 5: Solve for x
x = 4,951,014,056,276.05/2,561,931.84 - Step 6: Final answer
x = 1,932,531.53
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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.