Finding the Fourth Proportional to 2,771,367.21, 3,824,412.17 and 1,547,638.65
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Solution
The fourth proportional to 2,771,367.21, 3,824,412.17 and 1,547,638.65 is: 2,135,699.69
Step by Step Solution
- Step 1: Write the proportion equation
2,771,367.21 : 3,824,412.17 = 1,547,638.65 : x - Step 2: Convert to fraction form
2,771,367.21/3,824,412.17 = 1,547,638.65/x - Step 3: Cross multiply
2,771,367.21x = 3,824,412.17 × 1,547,638.65 - Step 4: Simplify right side
2,771,367.21x = 5,918,808,080,084.18 - Step 5: Solve for x
x = 5,918,808,080,084.18/2,771,367.21 - Step 6: Final answer
x = 2,135,699.69
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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.