Finding the Fourth Proportional to 2,476,497.92, 3,416,119.38 and 1,557,271.76
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Solution
The fourth proportional to 2,476,497.92, 3,416,119.38 and 1,557,271.76 is: 2,148,124.65
Step by Step Solution
- Step 1: Write the proportion equation
2,476,497.92 : 3,416,119.38 = 1,557,271.76 : x - Step 2: Convert to fraction form
2,476,497.92/3,416,119.38 = 1,557,271.76/x - Step 3: Cross multiply
2,476,497.92x = 3,416,119.38 × 1,557,271.76 - Step 4: Simplify right side
2,476,497.92x = 5,319,826,239,262.71 - Step 5: Solve for x
x = 5,319,826,239,262.71/2,476,497.92 - Step 6: Final answer
x = 2,148,124.65
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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.