Finding the Fourth Proportional to 2,110,044.75, 2,911,864.65 and 1,143,175.09
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Solution
The fourth proportional to 2,110,044.75, 2,911,864.65 and 1,143,175.09 is: 1,577,583.19
Step by Step Solution
- Step 1: Write the proportion equation
2,110,044.75 : 2,911,864.65 = 1,143,175.09 : x - Step 2: Convert to fraction form
2,110,044.75/2,911,864.65 = 1,143,175.09/x - Step 3: Cross multiply
2,110,044.75x = 2,911,864.65 × 1,143,175.09 - Step 4: Simplify right side
2,110,044.75x = 3,328,771,127,224.75 - Step 5: Solve for x
x = 3,328,771,127,224.75/2,110,044.75 - Step 6: Final answer
x = 1,577,583.19
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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.