Finding the Fourth Proportional to 5,122,461.93, 7,068,999.99 and 2,830,622.61
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Solution
The fourth proportional to 5,122,461.93, 7,068,999.99 and 2,830,622.61 is: 3,906,260.60
Step by Step Solution
- Step 1: Write the proportion equation
5,122,461.93 : 7,068,999.99 = 2,830,622.61 : x - Step 2: Convert to fraction form
5,122,461.93/7,068,999.99 = 2,830,622.61/x - Step 3: Cross multiply
5,122,461.93x = 7,068,999.99 × 2,830,622.61 - Step 4: Simplify right side
5,122,461.93x = 20,009,671,201,783.77 - Step 5: Solve for x
x = 20,009,671,201,783.77/5,122,461.93 - Step 6: Final answer
x = 3,906,260.60
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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.