Finding the Fourth Proportional to 1,909,074.38, 2,634,533.00 and 1,124,174.36
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Solution
The fourth proportional to 1,909,074.38, 2,634,533.00 and 1,124,174.36 is: 1,551,366.71
Step by Step Solution
- Step 1: Write the proportion equation
1,909,074.38 : 2,634,533.00 = 1,124,174.36 : x - Step 2: Convert to fraction form
1,909,074.38/2,634,533.00 = 1,124,174.36/x - Step 3: Cross multiply
1,909,074.38x = 2,634,533.00 × 1,124,174.36 - Step 4: Simplify right side
1,909,074.38x = 2,961,674,451,437.33 - Step 5: Solve for x
x = 2,961,674,451,437.33/1,909,074.38 - Step 6: Final answer
x = 1,551,366.71
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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.