Finding the Fourth Proportional to 1,821,305.99, 2,513,486.40 and 1,005,625.46
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Solution
The fourth proportional to 1,821,305.99, 2,513,486.40 and 1,005,625.46 is: 1,387,809.59
Step by Step Solution
- Step 1: Write the proportion equation
1,821,305.99 : 2,513,486.40 = 1,005,625.46 : x - Step 2: Convert to fraction form
1,821,305.99/2,513,486.40 = 1,005,625.46/x - Step 3: Cross multiply
1,821,305.99x = 2,513,486.40 × 1,005,625.46 - Step 4: Simplify right side
1,821,305.99x = 2,527,625,919,716.36 - Step 5: Solve for x
x = 2,527,625,919,716.36/1,821,305.99 - Step 6: Final answer
x = 1,387,809.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.