Finding the Fourth Proportional to 5,187,707.69, 7,781,026.85 and 1,729,073.68
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Solution
The fourth proportional to 5,187,707.69, 7,781,026.85 and 1,729,073.68 is: 2,593,432.30
Step by Step Solution
- Step 1: Write the proportion equation
5,187,707.69 : 7,781,026.85 = 1,729,073.68 : x - Step 2: Convert to fraction form
5,187,707.69/7,781,026.85 = 1,729,073.68/x - Step 3: Cross multiply
5,187,707.69x = 7,781,026.85 × 1,729,073.68 - Step 4: Simplify right side
5,187,707.69x = 13,453,968,714,578.43 - Step 5: Solve for x
x = 13,453,968,714,578.43/5,187,707.69 - Step 6: Final answer
x = 2,593,432.30
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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.