Finding the Fourth Proportional to 1,823,415.91, 2,516,465.48 and 1,007,778.92
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Solution
The fourth proportional to 1,823,415.91, 2,516,465.48 and 1,007,778.92 is: 1,390,818.65
Step by Step Solution
- Step 1: Write the proportion equation
1,823,415.91 : 2,516,465.48 = 1,007,778.92 : x - Step 2: Convert to fraction form
1,823,415.91/2,516,465.48 = 1,007,778.92/x - Step 3: Cross multiply
1,823,415.91x = 2,516,465.48 × 1,007,778.92 - Step 4: Simplify right side
1,823,415.91x = 2,536,040,846,030.46 - Step 5: Solve for x
x = 2,536,040,846,030.46/1,823,415.91 - Step 6: Final answer
x = 1,390,818.65
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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.