Finding the Fourth Proportional to 3,824,036.04, 5,736,212.35 and 1,128,361.28
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Solution
The fourth proportional to 3,824,036.04, 5,736,212.35 and 1,128,361.28 is: 1,692,588.63
Step by Step Solution
- Step 1: Write the proportion equation
3,824,036.04 : 5,736,212.35 = 1,128,361.28 : x - Step 2: Convert to fraction form
3,824,036.04/5,736,212.35 = 1,128,361.28/x - Step 3: Cross multiply
3,824,036.04x = 5,736,212.35 × 1,128,361.28 - Step 4: Simplify right side
3,824,036.04x = 6,472,519,909,597.81 - Step 5: Solve for x
x = 6,472,519,909,597.81/3,824,036.04 - Step 6: Final answer
x = 1,692,588.63
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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.