Finding the Fourth Proportional to 5,752,117.78, 7,938,088.64 and 3,173,964.63
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Solution
The fourth proportional to 5,752,117.78, 7,938,088.64 and 3,173,964.63 is: 4,380,162.84
Step by Step Solution
- Step 1: Write the proportion equation
5,752,117.78 : 7,938,088.64 = 3,173,964.63 : x - Step 2: Convert to fraction form
5,752,117.78/7,938,088.64 = 3,173,964.63/x - Step 3: Cross multiply
5,752,117.78x = 7,938,088.64 × 3,173,964.63 - Step 4: Simplify right side
5,752,117.78x = 25,195,212,573,164.80 - Step 5: Solve for x
x = 25,195,212,573,164.80/5,752,117.78 - Step 6: Final answer
x = 4,380,162.84
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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.