Finding the Fourth Proportional to 5,407,215.27, 7,461,959.41 and 2,959,840.28
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Solution
The fourth proportional to 5,407,215.27, 7,461,959.41 and 2,959,840.28 is: 4,084,580.86
Step by Step Solution
- Step 1: Write the proportion equation
5,407,215.27 : 7,461,959.41 = 2,959,840.28 : x - Step 2: Convert to fraction form
5,407,215.27/7,461,959.41 = 2,959,840.28/x - Step 3: Cross multiply
5,407,215.27x = 7,461,959.41 × 2,959,840.28 - Step 4: Simplify right side
5,407,215.27x = 22,086,208,009,824.21 - Step 5: Solve for x
x = 22,086,208,009,824.21/5,407,215.27 - Step 6: Final answer
x = 4,084,580.86
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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.