Finding the Fourth Proportional to 1,444,794.61, 1,995,156.79 and 1,081,587.91
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Solution
The fourth proportional to 1,444,794.61, 1,995,156.79 and 1,081,587.91 is: 1,493,594.62
Step by Step Solution
- Step 1: Write the proportion equation
1,444,794.61 : 1,995,156.79 = 1,081,587.91 : x - Step 2: Convert to fraction form
1,444,794.61/1,995,156.79 = 1,081,587.91/x - Step 3: Cross multiply
1,444,794.61x = 1,995,156.79 × 1,081,587.91 - Step 4: Simplify right side
1,444,794.61x = 2,157,937,462,618.41 - Step 5: Solve for x
x = 2,157,937,462,618.41/1,444,794.61 - Step 6: Final answer
x = 1,493,594.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.