Finding the Fourth Proportional to 5,177,157.36, 7,765,736.08 and 1,582,924.40
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Solution
The fourth proportional to 5,177,157.36, 7,765,736.08 and 1,582,924.40 is: 2,374,386.61
Step by Step Solution
- Step 1: Write the proportion equation
5,177,157.36 : 7,765,736.08 = 1,582,924.40 : x - Step 2: Convert to fraction form
5,177,157.36/7,765,736.08 = 1,582,924.40/x - Step 3: Cross multiply
5,177,157.36x = 7,765,736.08 × 1,582,924.40 - Step 4: Simplify right side
5,177,157.36x = 12,292,573,124,992.35 - Step 5: Solve for x
x = 12,292,573,124,992.35/5,177,157.36 - Step 6: Final answer
x = 2,374,386.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.