Finding the Fourth Proportional to 1,445,335.94, 2,167,221.99 and 1,147,731.14
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Solution
The fourth proportional to 1,445,335.94, 2,167,221.99 and 1,147,731.14 is: 1,720,975.79
Step by Step Solution
- Step 1: Write the proportion equation
1,445,335.94 : 2,167,221.99 = 1,147,731.14 : x - Step 2: Convert to fraction form
1,445,335.94/2,167,221.99 = 1,147,731.14/x - Step 3: Cross multiply
1,445,335.94x = 2,167,221.99 × 1,147,731.14 - Step 4: Simplify right side
1,445,335.94x = 2,487,388,165,215.77 - Step 5: Solve for x
x = 2,487,388,165,215.77/1,445,335.94 - Step 6: Final answer
x = 1,720,975.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.