Finding the Fourth Proportional to 2,875,918.16, 3,968,779.74 and 1,586,757.80
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Solution
The fourth proportional to 2,875,918.16, 3,968,779.74 and 1,586,757.80 is: 2,189,732.76
Step by Step Solution
- Step 1: Write the proportion equation
2,875,918.16 : 3,968,779.74 = 1,586,757.80 : x - Step 2: Convert to fraction form
2,875,918.16/3,968,779.74 = 1,586,757.80/x - Step 3: Cross multiply
2,875,918.16x = 3,968,779.74 × 1,586,757.80 - Step 4: Simplify right side
2,875,918.16x = 6,297,492,208,926.97 - Step 5: Solve for x
x = 6,297,492,208,926.97/2,875,918.16 - Step 6: Final answer
x = 2,189,732.76
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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.