Finding the Fourth Proportional to 1,844,311.45, 2,545,332.77 and 1,378,356.07
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Solution
The fourth proportional to 1,844,311.45, 2,545,332.77 and 1,378,356.07 is: 1,902,268.12
Step by Step Solution
- Step 1: Write the proportion equation
1,844,311.45 : 2,545,332.77 = 1,378,356.07 : x - Step 2: Convert to fraction form
1,844,311.45/2,545,332.77 = 1,378,356.07/x - Step 3: Cross multiply
1,844,311.45x = 2,545,332.77 × 1,378,356.07 - Step 4: Simplify right side
1,844,311.45x = 3,508,374,870,334.11 - Step 5: Solve for x
x = 3,508,374,870,334.11/1,844,311.45 - Step 6: Final answer
x = 1,902,268.12
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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.