Finding the Fourth Proportional to 3,685,987.08, 5,531,471.91 and 1,289,852.91
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Solution
The fourth proportional to 3,685,987.08, 5,531,471.91 and 1,289,852.91 is: 1,935,651.15
Step by Step Solution
- Step 1: Write the proportion equation
3,685,987.08 : 5,531,471.91 = 1,289,852.91 : x - Step 2: Convert to fraction form
3,685,987.08/5,531,471.91 = 1,289,852.91/x - Step 3: Cross multiply
3,685,987.08x = 5,531,471.91 × 1,289,852.91 - Step 4: Simplify right side
3,685,987.08x = 7,134,785,139,696.76 - Step 5: Solve for x
x = 7,134,785,139,696.76/3,685,987.08 - Step 6: Final answer
x = 1,935,651.15
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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.