Finding the Fourth Proportional to 2,168,926.74, 2,993,119.18 and 1,202,119.45
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Solution
The fourth proportional to 2,168,926.74, 2,993,119.18 and 1,202,119.45 is: 1,658,924.99
Step by Step Solution
- Step 1: Write the proportion equation
2,168,926.74 : 2,993,119.18 = 1,202,119.45 : x - Step 2: Convert to fraction form
2,168,926.74/2,993,119.18 = 1,202,119.45/x - Step 3: Cross multiply
2,168,926.74x = 2,993,119.18 × 1,202,119.45 - Step 4: Simplify right side
2,168,926.74x = 3,598,086,767,480.46 - Step 5: Solve for x
x = 3,598,086,767,480.46/2,168,926.74 - Step 6: Final answer
x = 1,658,924.99
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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.