Finding the Fourth Proportional to 5,402,145.48, 7,455,138.29 and 2,954,756.45
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Solution
The fourth proportional to 5,402,145.48, 7,455,138.29 and 2,954,756.45 is: 4,077,660.99
Step by Step Solution
- Step 1: Write the proportion equation
5,402,145.48 : 7,455,138.29 = 2,954,756.45 : x - Step 2: Convert to fraction form
5,402,145.48/7,455,138.29 = 2,954,756.45/x - Step 3: Cross multiply
5,402,145.48x = 7,455,138.29 × 2,954,756.45 - Step 4: Simplify right side
5,402,145.48x = 22,028,117,895,970.00 - Step 5: Solve for x
x = 22,028,117,895,970.00/5,402,145.48 - Step 6: Final answer
x = 4,077,660.99
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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.