Finding the Fourth Proportional to 3,558,913.05, 4,911,274.34 and 1,927,282.58
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Solution
The fourth proportional to 3,558,913.05, 4,911,274.34 and 1,927,282.58 is: 2,659,636.05
Step by Step Solution
- Step 1: Write the proportion equation
3,558,913.05 : 4,911,274.34 = 1,927,282.58 : x - Step 2: Convert to fraction form
3,558,913.05/4,911,274.34 = 1,927,282.58/x - Step 3: Cross multiply
3,558,913.05x = 4,911,274.34 × 1,927,282.58 - Step 4: Simplify right side
3,558,913.05x = 9,465,413,446,890.21 - Step 5: Solve for x
x = 9,465,413,446,890.21/3,558,913.05 - Step 6: Final answer
x = 2,659,636.05
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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.