Finding the Fourth Proportional to 5,781,645.76, 8,669,106.99 and 2,187,690.34
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Solution
The fourth proportional to 5,781,645.76, 8,669,106.99 and 2,187,690.34 is: 3,280,263.51
Step by Step Solution
- Step 1: Write the proportion equation
5,781,645.76 : 8,669,106.99 = 2,187,690.34 : x - Step 2: Convert to fraction form
5,781,645.76/8,669,106.99 = 2,187,690.34/x - Step 3: Cross multiply
5,781,645.76x = 8,669,106.99 × 2,187,690.34 - Step 4: Simplify right side
5,781,645.76x = 18,965,321,618,449.48 - Step 5: Solve for x
x = 18,965,321,618,449.48/5,781,645.76 - Step 6: Final answer
x = 3,280,263.51
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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.