Finding the Fourth Proportional to 5,129,089.58, 7,077,526.96 and 2,954,340.02
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Solution
The fourth proportional to 5,129,089.58, 7,077,526.96 and 2,954,340.02 is: 4,076,634.03
Step by Step Solution
- Step 1: Write the proportion equation
5,129,089.58 : 7,077,526.96 = 2,954,340.02 : x - Step 2: Convert to fraction form
5,129,089.58/7,077,526.96 = 2,954,340.02/x - Step 3: Cross multiply
5,129,089.58x = 7,077,526.96 × 2,954,340.02 - Step 4: Simplify right side
5,129,089.58x = 20,909,421,097,783.45 - Step 5: Solve for x
x = 20,909,421,097,783.45/5,129,089.58 - Step 6: Final answer
x = 4,076,634.03
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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.