Finding the Fourth Proportional to 1,968,815.11, 2,716,966.67 and 1,063,397.11
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Solution
The fourth proportional to 1,968,815.11, 2,716,966.67 and 1,063,397.11 is: 1,467,489.00
Step by Step Solution
- Step 1: Write the proportion equation
1,968,815.11 : 2,716,966.67 = 1,063,397.11 : x - Step 2: Convert to fraction form
1,968,815.11/2,716,966.67 = 1,063,397.11/x - Step 3: Cross multiply
1,968,815.11x = 2,716,966.67 × 1,063,397.11 - Step 4: Simplify right side
1,968,815.11x = 2,889,214,506,801.65 - Step 5: Solve for x
x = 2,889,214,506,801.65/1,968,815.11 - Step 6: Final answer
x = 1,467,489.00
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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.