Finding the Fourth Proportional to 1,637,717.67, 2,447,922.94 and 1,422,779.31
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Solution
The fourth proportional to 1,637,717.67, 2,447,922.94 and 1,422,779.31 is: 2,126,651.11
Step by Step Solution
- Step 1: Write the proportion equation
1,637,717.67 : 2,447,922.94 = 1,422,779.31 : x - Step 2: Convert to fraction form
1,637,717.67/2,447,922.94 = 1,422,779.31/x - Step 3: Cross multiply
1,637,717.67x = 2,447,922.94 × 1,422,779.31 - Step 4: Simplify right side
1,637,717.67x = 3,482,854,107,949.42 - Step 5: Solve for x
x = 3,482,854,107,949.42/1,637,717.67 - Step 6: Final answer
x = 2,126,651.11
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.