Finding the Fourth Proportional to 6,264,804.40, 9,390,208.20 and 3,570,420.40
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Solution
The fourth proportional to 6,264,804.40, 9,390,208.20 and 3,570,420.40 is: 5,351,642.09
Step by Step Solution
- Step 1: Write the proportion equation
6,264,804.40 : 9,390,208.20 = 3,570,420.40 : x - Step 2: Convert to fraction form
6,264,804.40/9,390,208.20 = 3,570,420.40/x - Step 3: Cross multiply
6,264,804.40x = 9,390,208.20 × 3,570,420.40 - Step 4: Simplify right side
6,264,804.40x = 33,526,990,917,527.28 - Step 5: Solve for x
x = 33,526,990,917,527.28/6,264,804.40 - Step 6: Final answer
x = 5,351,642.09
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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.