Finding the Fourth Proportional to 5,724,691.80, 8,587,037.70 and 3,485,203.80
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Solution
The fourth proportional to 5,724,691.80, 8,587,037.70 and 3,485,203.80 is: 5,227,805.70
Step by Step Solution
- Step 1: Write the proportion equation
5,724,691.80 : 8,587,037.70 = 3,485,203.80 : x - Step 2: Convert to fraction form
5,724,691.80/8,587,037.70 = 3,485,203.80/x - Step 3: Cross multiply
5,724,691.80x = 8,587,037.70 × 3,485,203.80 - Step 4: Simplify right side
5,724,691.80x = 29,927,576,422,783.25 - Step 5: Solve for x
x = 29,927,576,422,783.25/5,724,691.80 - Step 6: Final answer
x = 5,227,805.70
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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.