Finding the Fourth Proportional to 1,962,716.18, 2,708,563.29 and 1,091,563.06
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Solution
The fourth proportional to 1,962,716.18, 2,708,563.29 and 1,091,563.06 is: 1,506,365.34
Step by Step Solution
- Step 1: Write the proportion equation
1,962,716.18 : 2,708,563.29 = 1,091,563.06 : x - Step 2: Convert to fraction form
1,962,716.18/2,708,563.29 = 1,091,563.06/x - Step 3: Cross multiply
1,962,716.18x = 2,708,563.29 × 1,091,563.06 - Step 4: Simplify right side
1,962,716.18x = 2,956,567,633,036.07 - Step 5: Solve for x
x = 2,956,567,633,036.07/1,962,716.18 - Step 6: Final answer
x = 1,506,365.34
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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.