Finding the Fourth Proportional to 2,567,277.14, 3,542,973.09 and 1,421,483.54
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Solution
The fourth proportional to 2,567,277.14, 3,542,973.09 and 1,421,483.54 is: 1,961,719.62
Step by Step Solution
- Step 1: Write the proportion equation
2,567,277.14 : 3,542,973.09 = 1,421,483.54 : x - Step 2: Convert to fraction form
2,567,277.14/3,542,973.09 = 1,421,483.54/x - Step 3: Cross multiply
2,567,277.14x = 3,542,973.09 × 1,421,483.54 - Step 4: Simplify right side
2,567,277.14x = 5,036,277,930,097.94 - Step 5: Solve for x
x = 5,036,277,930,097.94/2,567,277.14 - Step 6: Final answer
x = 1,961,719.62
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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.