Finding the Fourth Proportional to 7,291,541.79, 10,062,530.84 and 4,028,566.95
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Solution
The fourth proportional to 7,291,541.79, 10,062,530.84 and 4,028,566.95 is: 5,559,534.64
Step by Step Solution
- Step 1: Write the proportion equation
7,291,541.79 : 10,062,530.84 = 4,028,566.95 : x - Step 2: Convert to fraction form
7,291,541.79/10,062,530.84 = 4,028,566.95/x - Step 3: Cross multiply
7,291,541.79x = 10,062,530.84 × 4,028,566.95 - Step 4: Simplify right side
7,291,541.79x = 40,537,579,185,451.16 - Step 5: Solve for x
x = 40,537,579,185,451.16/7,291,541.79 - Step 6: Final answer
x = 5,559,534.64
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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.