Finding the Fourth Proportional to 1,513,175.78, 2,088,154.05 and 824,853.98
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Solution
The fourth proportional to 1,513,175.78, 2,088,154.05 and 824,853.98 is: 1,138,282.94
Step by Step Solution
- Step 1: Write the proportion equation
1,513,175.78 : 2,088,154.05 = 824,853.98 : x - Step 2: Convert to fraction form
1,513,175.78/2,088,154.05 = 824,853.98/x - Step 3: Cross multiply
1,513,175.78x = 2,088,154.05 × 824,853.98 - Step 4: Simplify right side
1,513,175.78x = 1,722,422,168,554.85 - Step 5: Solve for x
x = 1,722,422,168,554.85/1,513,175.78 - Step 6: Final answer
x = 1,138,282.94
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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.