Finding the Fourth Proportional to 6,497,725.12, 8,966,505.41 and 3,556,973.32
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Solution
The fourth proportional to 6,497,725.12, 8,966,505.41 and 3,556,973.32 is: 4,908,428.71
Step by Step Solution
- Step 1: Write the proportion equation
6,497,725.12 : 8,966,505.41 = 3,556,973.32 : x - Step 2: Convert to fraction form
6,497,725.12/8,966,505.41 = 3,556,973.32/x - Step 3: Cross multiply
6,497,725.12x = 8,966,505.41 × 3,556,973.32 - Step 4: Simplify right side
6,497,725.12x = 31,893,620,490,143.18 - Step 5: Solve for x
x = 31,893,620,490,143.18/6,497,725.12 - Step 6: Final answer
x = 4,908,428.71
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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.