Finding the Fourth Proportional to 1,817,126.74, 2,507,624.04 and 990,198.80
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Solution
The fourth proportional to 1,817,126.74, 2,507,624.04 and 990,198.80 is: 1,366,468.43
Step by Step Solution
- Step 1: Write the proportion equation
1,817,126.74 : 2,507,624.04 = 990,198.80 : x - Step 2: Convert to fraction form
1,817,126.74/2,507,624.04 = 990,198.80/x - Step 3: Cross multiply
1,817,126.74x = 2,507,624.04 × 990,198.80 - Step 4: Simplify right side
1,817,126.74x = 2,483,046,315,259.15 - Step 5: Solve for x
x = 2,483,046,315,259.15/1,817,126.74 - Step 6: Final answer
x = 1,366,468.43
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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.