Finding the Fourth Proportional to 1,962,715.68, 2,708,562.60 and 1,091,562.56
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Solution
The fourth proportional to 1,962,715.68, 2,708,562.60 and 1,091,562.56 is: 1,506,364.65
Step by Step Solution
- Step 1: Write the proportion equation
1,962,715.68 : 2,708,562.60 = 1,091,562.56 : x - Step 2: Convert to fraction form
1,962,715.68/2,708,562.60 = 1,091,562.56/x - Step 3: Cross multiply
1,962,715.68x = 2,708,562.60 × 1,091,562.56 - Step 4: Simplify right side
1,962,715.68x = 2,956,565,525,576.26 - Step 5: Solve for x
x = 2,956,565,525,576.26/1,962,715.68 - Step 6: Final answer
x = 1,506,364.65
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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.