Finding the Fourth Proportional to 2,211,113.64, 3,317,292.54 and 791,371.56
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Solution
The fourth proportional to 2,211,113.64, 3,317,292.54 and 791,371.56 is: 1,187,279.99
Step by Step Solution
- Step 1: Write the proportion equation
2,211,113.64 : 3,317,292.54 = 791,371.56 : x - Step 2: Convert to fraction form
2,211,113.64/3,317,292.54 = 791,371.56/x - Step 3: Cross multiply
2,211,113.64x = 3,317,292.54 × 791,371.56 - Step 4: Simplify right side
2,211,113.64x = 2,625,210,972,356.16 - Step 5: Solve for x
x = 2,625,210,972,356.16/2,211,113.64 - Step 6: Final answer
x = 1,187,279.99
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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.