Finding the Fourth Proportional to 4,985,075.68, 6,879,404.64 and 2,693,236.36
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Solution
The fourth proportional to 4,985,075.68, 6,879,404.64 and 2,693,236.36 is: 3,716,666.29
Step by Step Solution
- Step 1: Write the proportion equation
4,985,075.68 : 6,879,404.64 = 2,693,236.36 : x - Step 2: Convert to fraction form
4,985,075.68/6,879,404.64 = 2,693,236.36/x - Step 3: Cross multiply
4,985,075.68x = 6,879,404.64 × 2,693,236.36 - Step 4: Simplify right side
4,985,075.68x = 18,527,862,711,600.71 - Step 5: Solve for x
x = 18,527,862,711,600.71/4,985,075.68 - Step 6: Final answer
x = 3,716,666.29
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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.