Finding the Fourth Proportional to 5,458,231.80, 8,187,347.70 and 4,395,349.80
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Solution
The fourth proportional to 5,458,231.80, 8,187,347.70 and 4,395,349.80 is: 6,593,024.70
Step by Step Solution
- Step 1: Write the proportion equation
5,458,231.80 : 8,187,347.70 = 4,395,349.80 : x - Step 2: Convert to fraction form
5,458,231.80/8,187,347.70 = 4,395,349.80/x - Step 3: Cross multiply
5,458,231.80x = 8,187,347.70 × 4,395,349.80 - Step 4: Simplify right side
5,458,231.80x = 35,986,257,075,725.46 - Step 5: Solve for x
x = 35,986,257,075,725.46/5,458,231.80 - Step 6: Final answer
x = 6,593,024.70
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1.5x scale
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.