Finding the Fourth Proportional to 2,102,034.15, 2,900,807.10 and 1,135,164.42
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Solution
The fourth proportional to 2,102,034.15, 2,900,807.10 and 1,135,164.42 is: 1,566,526.88
Step by Step Solution
- Step 1: Write the proportion equation
2,102,034.15 : 2,900,807.10 = 1,135,164.42 : x - Step 2: Convert to fraction form
2,102,034.15/2,900,807.10 = 1,135,164.42/x - Step 3: Cross multiply
2,102,034.15x = 2,900,807.10 × 1,135,164.42 - Step 4: Simplify right side
2,102,034.15x = 3,292,892,989,023.53 - Step 5: Solve for x
x = 3,292,892,989,023.53/2,102,034.15 - Step 6: Final answer
x = 1,566,526.88
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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.