Finding the Fourth Proportional to 2,556,731.76, 3,528,364.70 and 1,395,252.86
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Solution
The fourth proportional to 2,556,731.76, 3,528,364.70 and 1,395,252.86 is: 1,925,489.81
Step by Step Solution
- Step 1: Write the proportion equation
2,556,731.76 : 3,528,364.70 = 1,395,252.86 : x - Step 2: Convert to fraction form
2,556,731.76/3,528,364.70 = 1,395,252.86/x - Step 3: Cross multiply
2,556,731.76x = 3,528,364.70 × 1,395,252.86 - Step 4: Simplify right side
2,556,731.76x = 4,922,960,944,130.82 - Step 5: Solve for x
x = 4,922,960,944,130.82/2,556,731.76 - Step 6: Final answer
x = 1,925,489.81
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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.