Finding the Fourth Proportional to 1,757,882.79, 2,634,110.28 and 1,187,026.65
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Solution
The fourth proportional to 1,757,882.79, 2,634,110.28 and 1,187,026.65 is: 1,778,707.39
Step by Step Solution
- Step 1: Write the proportion equation
1,757,882.79 : 2,634,110.28 = 1,187,026.65 : x - Step 2: Convert to fraction form
1,757,882.79/2,634,110.28 = 1,187,026.65/x - Step 3: Cross multiply
1,757,882.79x = 2,634,110.28 × 1,187,026.65 - Step 4: Simplify right side
1,757,882.79x = 3,126,759,101,398.96 - Step 5: Solve for x
x = 3,126,759,101,398.96/1,757,882.79 - Step 6: Final answer
x = 1,778,707.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.