Finding the Fourth Proportional to 5,519,758.51, 7,617,267.15 and 3,072,316.87
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Solution
The fourth proportional to 5,519,758.51, 7,617,267.15 and 3,072,316.87 is: 4,239,797.50
Step by Step Solution
- Step 1: Write the proportion equation
5,519,758.51 : 7,617,267.15 = 3,072,316.87 : x - Step 2: Convert to fraction form
5,519,758.51/7,617,267.15 = 3,072,316.87/x - Step 3: Cross multiply
5,519,758.51x = 7,617,267.15 × 3,072,316.87 - Step 4: Simplify right side
5,519,758.51x = 23,402,658,330,155.49 - Step 5: Solve for x
x = 23,402,658,330,155.49/5,519,758.51 - Step 6: Final answer
x = 4,239,797.50
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1.5x scale
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.