Finding the Fourth Proportional to 1,837,099.99, 2,536,435.11 and 1,642,905.19
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Solution
The fourth proportional to 1,837,099.99, 2,536,435.11 and 1,642,905.19 is: 2,268,315.51
Step by Step Solution
- Step 1: Write the proportion equation
1,837,099.99 : 2,536,435.11 = 1,642,905.19 : x - Step 2: Convert to fraction form
1,837,099.99/2,536,435.11 = 1,642,905.19/x - Step 3: Cross multiply
1,837,099.99x = 2,536,435.11 × 1,642,905.19 - Step 4: Simplify right side
1,837,099.99x = 4,167,122,406,317.22 - Step 5: Solve for x
x = 4,167,122,406,317.22/1,837,099.99 - Step 6: Final answer
x = 2,268,315.51
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1.5x scale
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.