Finding the Fourth Proportional to 1,821,562.08, 2,513,899.44 and 1,057,855.20
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Solution
The fourth proportional to 1,821,562.08, 2,513,899.44 and 1,057,855.20 is: 1,459,923.67
Step by Step Solution
- Step 1: Write the proportion equation
1,821,562.08 : 2,513,899.44 = 1,057,855.20 : x - Step 2: Convert to fraction form
1,821,562.08/2,513,899.44 = 1,057,855.20/x - Step 3: Cross multiply
1,821,562.08x = 2,513,899.44 × 1,057,855.20 - Step 4: Simplify right side
1,821,562.08x = 2,659,341,594,881.09 - Step 5: Solve for x
x = 2,659,341,594,881.09/1,821,562.08 - Step 6: Final answer
x = 1,459,923.67
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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.