Finding the Fourth Proportional to 1,275,995.99, 1,913,993.98 and 377,367.77
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Solution
The fourth proportional to 1,275,995.99, 1,913,993.98 and 377,367.77 is: 566,051.66
Step by Step Solution
- Step 1: Write the proportion equation
1,275,995.99 : 1,913,993.98 = 377,367.77 : x - Step 2: Convert to fraction form
1,275,995.99/1,913,993.98 = 377,367.77/x - Step 3: Cross multiply
1,275,995.99x = 1,913,993.98 × 377,367.77 - Step 4: Simplify right side
1,275,995.99x = 722,279,643,867.59 - Step 5: Solve for x
x = 722,279,643,867.59/1,275,995.99 - Step 6: Final answer
x = 566,051.66
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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.