Finding the Fourth Proportional to 4,905,725.36, 6,771,389.12 and 2,841,248.34
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Solution
The fourth proportional to 4,905,725.36, 6,771,389.12 and 2,841,248.34 is: 3,921,784.59
Step by Step Solution
- Step 1: Write the proportion equation
4,905,725.36 : 6,771,389.12 = 2,841,248.34 : x - Step 2: Convert to fraction form
4,905,725.36/6,771,389.12 = 2,841,248.34/x - Step 3: Cross multiply
4,905,725.36x = 6,771,389.12 × 2,841,248.34 - Step 4: Simplify right side
4,905,725.36x = 19,239,198,096,694.06 - Step 5: Solve for x
x = 19,239,198,096,694.06/4,905,725.36 - Step 6: Final answer
x = 3,921,784.59
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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.