Finding the Fourth Proportional to 5,072,159.02, 7,590,278.84 and 3,153,973.52
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Solution
The fourth proportional to 5,072,159.02, 7,590,278.84 and 3,153,973.52 is: 4,719,792.56
Step by Step Solution
- Step 1: Write the proportion equation
5,072,159.02 : 7,590,278.84 = 3,153,973.52 : x - Step 2: Convert to fraction form
5,072,159.02/7,590,278.84 = 3,153,973.52/x - Step 3: Cross multiply
5,072,159.02x = 7,590,278.84 × 3,153,973.52 - Step 4: Simplify right side
5,072,159.02x = 23,939,538,417,055.05 - Step 5: Solve for x
x = 23,939,538,417,055.05/5,072,159.02 - Step 6: Final answer
x = 4,719,792.56
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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.