Finding the Fourth Proportional to 2,707,400.91, 3,737,911.68 and 1,742,208.56
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Solution
The fourth proportional to 2,707,400.91, 3,737,911.68 and 1,742,208.56 is: 2,405,340.74
Step by Step Solution
- Step 1: Write the proportion equation
2,707,400.91 : 3,737,911.68 = 1,742,208.56 : x - Step 2: Convert to fraction form
2,707,400.91/3,737,911.68 = 1,742,208.56/x - Step 3: Cross multiply
2,707,400.91x = 3,737,911.68 × 1,742,208.56 - Step 4: Simplify right side
2,707,400.91x = 6,512,221,706,730.42 - Step 5: Solve for x
x = 6,512,221,706,730.42/2,707,400.91 - Step 6: Final answer
x = 2,405,340.74
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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.