Finding the Fourth Proportional to 2,139,048.68, 3,206,907.68 and 1,058,815.92
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Solution
The fourth proportional to 2,139,048.68, 3,206,907.68 and 1,058,815.92 is: 1,587,399.55
Step by Step Solution
- Step 1: Write the proportion equation
2,139,048.68 : 3,206,907.68 = 1,058,815.92 : x - Step 2: Convert to fraction form
2,139,048.68/3,206,907.68 = 1,058,815.92/x - Step 3: Cross multiply
2,139,048.68x = 3,206,907.68 × 1,058,815.92 - Step 4: Simplify right side
2,139,048.68x = 3,395,524,905,554.27 - Step 5: Solve for x
x = 3,395,524,905,554.27/2,139,048.68 - Step 6: Final answer
x = 1,587,399.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.