Finding the Fourth Proportional to 4,272,246.54, 6,403,940.73 and 2,671,133.31
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Solution
The fourth proportional to 4,272,246.54, 6,403,940.73 and 2,671,133.31 is: 4,003,930.77
Step by Step Solution
- Step 1: Write the proportion equation
4,272,246.54 : 6,403,940.73 = 2,671,133.31 : x - Step 2: Convert to fraction form
4,272,246.54/6,403,940.73 = 2,671,133.31/x - Step 3: Cross multiply
4,272,246.54x = 6,403,940.73 × 2,671,133.31 - Step 4: Simplify right side
4,272,246.54x = 17,105,779,399,168.72 - Step 5: Solve for x
x = 17,105,779,399,168.72/4,272,246.54 - Step 6: Final answer
x = 4,003,930.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.