Finding the Fourth Proportional to 1,911,926.23, 2,637,863.87 and 1,084,862.97
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Solution
The fourth proportional to 1,911,926.23, 2,637,863.87 and 1,084,862.97 is: 1,496,773.67
Step by Step Solution
- Step 1: Write the proportion equation
1,911,926.23 : 2,637,863.87 = 1,084,862.97 : x - Step 2: Convert to fraction form
1,911,926.23/2,637,863.87 = 1,084,862.97/x - Step 3: Cross multiply
1,911,926.23x = 2,637,863.87 × 1,084,862.97 - Step 4: Simplify right side
1,911,926.23x = 2,861,720,833,141.93 - Step 5: Solve for x
x = 2,861,720,833,141.93/1,911,926.23 - Step 6: Final answer
x = 1,496,773.67
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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.