Finding the Fourth Proportional to 5,812,357.08, 8,720,403.66 and 1,769,627.28
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Solution
The fourth proportional to 5,812,357.08, 8,720,403.66 and 1,769,627.28 is: 2,655,009.66
Step by Step Solution
- Step 1: Write the proportion equation
5,812,357.08 : 8,720,403.66 = 1,769,627.28 : x - Step 2: Convert to fraction form
5,812,357.08/8,720,403.66 = 1,769,627.28/x - Step 3: Cross multiply
5,812,357.08x = 8,720,403.66 × 1,769,627.28 - Step 4: Simplify right side
5,812,357.08x = 15,431,864,209,347.85 - Step 5: Solve for x
x = 15,431,864,209,347.85/5,812,357.08 - Step 6: Final answer
x = 2,655,009.66
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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.