Finding the Fourth Proportional to 5,242,917.93, 7,864,657.16 and 1,648,965.13
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Solution
The fourth proportional to 5,242,917.93, 7,864,657.16 and 1,648,965.13 is: 2,473,535.84
Step by Step Solution
- Step 1: Write the proportion equation
5,242,917.93 : 7,864,657.16 = 1,648,965.13 : x - Step 2: Convert to fraction form
5,242,917.93/7,864,657.16 = 1,648,965.13/x - Step 3: Cross multiply
5,242,917.93x = 7,864,657.16 × 1,648,965.13 - Step 4: Simplify right side
5,242,917.93x = 12,968,545,416,244.83 - Step 5: Solve for x
x = 12,968,545,416,244.83/5,242,917.93 - Step 6: Final answer
x = 2,473,535.84
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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.