Finding the Fourth Proportional to 2,738,663.97, 3,778,082.91 and 1,772,106.36
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Solution
The fourth proportional to 2,738,663.97, 3,778,082.91 and 1,772,106.36 is: 2,444,682.82
Step by Step Solution
- Step 1: Write the proportion equation
2,738,663.97 : 3,778,082.91 = 1,772,106.36 : x - Step 2: Convert to fraction form
2,738,663.97/3,778,082.91 = 1,772,106.36/x - Step 3: Cross multiply
2,738,663.97x = 3,778,082.91 × 1,772,106.36 - Step 4: Simplify right side
2,738,663.97x = 6,695,164,753,418.31 - Step 5: Solve for x
x = 6,695,164,753,418.31/2,738,663.97 - Step 6: Final answer
x = 2,444,682.82
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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.