Finding the Fourth Proportional to 1,958,526.68, 2,703,030.77 and 1,099,134.09
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Solution
The fourth proportional to 1,958,526.68, 2,703,030.77 and 1,099,134.09 is: 1,516,953.18
Step by Step Solution
- Step 1: Write the proportion equation
1,958,526.68 : 2,703,030.77 = 1,099,134.09 : x - Step 2: Convert to fraction form
1,958,526.68/2,703,030.77 = 1,099,134.09/x - Step 3: Cross multiply
1,958,526.68x = 2,703,030.77 × 1,099,134.09 - Step 4: Simplify right side
1,958,526.68x = 2,970,993,260,130.28 - Step 5: Solve for x
x = 2,970,993,260,130.28/1,958,526.68 - Step 6: Final answer
x = 1,516,953.18
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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.