Finding the Fourth Proportional to 5,346,321.80, 8,019,482.70 and 1,357,233.80
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Solution
The fourth proportional to 5,346,321.80, 8,019,482.70 and 1,357,233.80 is: 2,035,850.70
Step by Step Solution
- Step 1: Write the proportion equation
5,346,321.80 : 8,019,482.70 = 1,357,233.80 : x - Step 2: Convert to fraction form
5,346,321.80/8,019,482.70 = 1,357,233.80/x - Step 3: Cross multiply
5,346,321.80x = 8,019,482.70 × 1,357,233.80 - Step 4: Simplify right side
5,346,321.80x = 10,884,312,978,955.26 - Step 5: Solve for x
x = 10,884,312,978,955.26/5,346,321.80 - Step 6: Final answer
x = 2,035,850.70
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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.