Finding the Fourth Proportional to 5,248,390.14, 7,245,209.70 and 3,700,912.68
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Solution
The fourth proportional to 5,248,390.14, 7,245,209.70 and 3,700,912.68 is: 5,108,973.94
Step by Step Solution
- Step 1: Write the proportion equation
5,248,390.14 : 7,245,209.70 = 3,700,912.68 : x - Step 2: Convert to fraction form
5,248,390.14/7,245,209.70 = 3,700,912.68/x - Step 3: Cross multiply
5,248,390.14x = 7,245,209.70 × 3,700,912.68 - Step 4: Simplify right side
5,248,390.14x = 26,813,888,447,989.00 - Step 5: Solve for x
x = 26,813,888,447,989.00/5,248,390.14 - Step 6: Final answer
x = 5,108,973.94
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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.